Search

David Thomas Karst

Examiner (ID: 10871, Phone: (571)270-7732 , Office: P/1767 )

Most Active Art Unit
1767
Art Unit(s)
1767, 1796
Total Applications
1136
Issued Applications
657
Pending Applications
125
Abandoned Applications
381

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 16991935 [patent_doc_number] => 20210230355 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-07-29 [patent_title] => BIS-PROPYLCATECHOL, METHOD FOR PRODUCING BIS-PROPYLCATECHOL, RESIN COMPOSITION AND CURED RESIN PRODUCT CONTAINING BIS-PROPYLCATECHOL, EPOXIDIZED BIS-PROPYLCATECHOL, METHOD FOR PRODUCING EPOXIDIZED BIS-PROPYLCATECHOL, AND CURABLE RESIN COMPOSITION AND CURED RESIN PRODUCT CONTAINING EPOXIDIZED BIS-PROPYLCATECHOL [patent_app_type] => utility [patent_app_number] => 16/967522 [patent_app_country] => US [patent_app_date] => 2019-03-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8261 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -21 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16967522 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/967522
BIS-PROPYLCATECHOL, METHOD FOR PRODUCING BIS-PROPYLCATECHOL, RESIN COMPOSITION AND CURED RESIN PRODUCT CONTAINING BIS-PROPYLCATECHOL, EPOXIDIZED BIS-PROPYLCATECHOL, METHOD FOR PRODUCING EPOXIDIZED BIS-PROPYLCATECHOL, AND CURABLE RESIN COMPOSITION AND CURED RESIN PRODUCT CONTAINING EPOXIDIZED BIS-PROPYLCATECHOL Mar 19, 2019 Abandoned
Array ( [id] => 16598217 [patent_doc_number] => 20210024748 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-28 [patent_title] => BENZOXAZINE RESIN COMPOSITION, PREPREG, AND FIBER-REINFORCED COMPOSITE MATERIAL [patent_app_type] => utility [patent_app_number] => 16/971381 [patent_app_country] => US [patent_app_date] => 2019-03-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12255 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16971381 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/971381
BENZOXAZINE RESIN COMPOSITION, PREPREG, AND FIBER-REINFORCED COMPOSITE MATERIAL Mar 18, 2019 Abandoned
Array ( [id] => 19564814 [patent_doc_number] => 12139576 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-12 [patent_title] => Curable resin composition, adhesive agent, adhesive film, circuit substrate, interlayer insulating material, and printed wiring board [patent_app_type] => utility [patent_app_number] => 16/979747 [patent_app_country] => US [patent_app_date] => 2019-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16645 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16979747 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/979747
Curable resin composition, adhesive agent, adhesive film, circuit substrate, interlayer insulating material, and printed wiring board Mar 14, 2019 Issued
Array ( [id] => 15117385 [patent_doc_number] => 20190345325 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-14 [patent_title] => RESIN COMPOSITION FOR PRINTED CIRCUIT BOARD AND INTEGRATED CIRCUIT PACKAGE, AND PRODUCT USING THE SAME [patent_app_type] => utility [patent_app_number] => 16/354931 [patent_app_country] => US [patent_app_date] => 2019-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6948 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16354931 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/354931
RESIN COMPOSITION FOR PRINTED CIRCUIT BOARD AND INTEGRATED CIRCUIT PACKAGE, AND PRODUCT USING THE SAME Mar 14, 2019 Abandoned
Array ( [id] => 15117381 [patent_doc_number] => 20190345323 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-14 [patent_title] => RESIN COMPOSITION FOR PRINTED CIRCUIT BOARD AND INTEGRATED CIRCUIT PACKAGE, AND PRODUCT USING THE SAME [patent_app_type] => utility [patent_app_number] => 16/353184 [patent_app_country] => US [patent_app_date] => 2019-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6698 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16353184 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/353184
RESIN COMPOSITION FOR PRINTED CIRCUIT BOARD AND INTEGRATED CIRCUIT PACKAGE, AND PRODUCT USING THE SAME Mar 13, 2019 Abandoned
Array ( [id] => 16778168 [patent_doc_number] => 20210115246 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-22 [patent_title] => Curable Mixtures for Use in Impregnation of Paper Bushings [patent_app_type] => utility [patent_app_number] => 16/981316 [patent_app_country] => US [patent_app_date] => 2019-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5272 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16981316 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/981316
Curable Mixtures for Use in Impregnation of Paper Bushings Mar 13, 2019 Abandoned
Array ( [id] => 20453136 [patent_doc_number] => 12516188 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-01-06 [patent_title] => Storage stable and curable resin compositions [patent_app_type] => utility [patent_app_number] => 16/981334 [patent_app_country] => US [patent_app_date] => 2019-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 999 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16981334 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/981334
Storage stable and curable resin compositions Mar 13, 2019 Issued
Array ( [id] => 16598211 [patent_doc_number] => 20210024742 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-28 [patent_title] => CURABLE RESIN COMPOSITION, CURED PRODUCT THEREOF AND PRINTED WIRING BOARD [patent_app_type] => utility [patent_app_number] => 17/043330 [patent_app_country] => US [patent_app_date] => 2019-03-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9789 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17043330 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/043330
CURABLE RESIN COMPOSITION, CURED PRODUCT THEREOF AND PRINTED WIRING BOARD Mar 13, 2019 Abandoned
Array ( [id] => 18013384 [patent_doc_number] => 11505666 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-11-22 [patent_title] => Prepreg and manufacturing method for same [patent_app_type] => utility [patent_app_number] => 16/963358 [patent_app_country] => US [patent_app_date] => 2019-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13641 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16963358 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/963358
Prepreg and manufacturing method for same Mar 12, 2019 Issued
Array ( [id] => 20272084 [patent_doc_number] => 12441853 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-14 [patent_title] => Prepreg and carbon fiber-reinforced composite material [patent_app_type] => utility [patent_app_number] => 16/980100 [patent_app_country] => US [patent_app_date] => 2019-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8795 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 326 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16980100 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/980100
Prepreg and carbon fiber-reinforced composite material Mar 11, 2019 Issued
Array ( [id] => 16673223 [patent_doc_number] => 20210061986 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-04 [patent_title] => EPOXY RESIN COMPOSITION AND ELECTRONIC COMPONENT DEVICE [patent_app_type] => utility [patent_app_number] => 16/981188 [patent_app_country] => US [patent_app_date] => 2019-03-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9641 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16981188 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/981188
EPOXY RESIN COMPOSITION AND ELECTRONIC COMPONENT DEVICE Mar 10, 2019 Abandoned
Array ( [id] => 14501453 [patent_doc_number] => 20190194381 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-27 [patent_title] => THERMOSETTING RESIN COMPOSITION [patent_app_type] => utility [patent_app_number] => 16/292708 [patent_app_country] => US [patent_app_date] => 2019-03-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16722 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 47 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16292708 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/292708
Thermosetting resin composition Mar 4, 2019 Issued
Array ( [id] => 16657501 [patent_doc_number] => 20210054137 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-02-25 [patent_title] => RESIN COMPOSITION FOR FIBER-REINFORCED COMPOSITE MATERIALS, AND FIBER-REINFORCED COMPOSITE MATERIAL USING SAME [patent_app_type] => utility [patent_app_number] => 16/978944 [patent_app_country] => US [patent_app_date] => 2019-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4730 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16978944 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/978944
Resin composition for fiber-reinforced composite materials, and fiber-reinforced composite material using same Feb 24, 2019 Issued
Array ( [id] => 16712097 [patent_doc_number] => 20210079244 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-03-18 [patent_title] => INK COMPOSITION FOR WRITING INSTRUMENT AND WRITING INSTRUMENT HAVING THE SAME [patent_app_type] => utility [patent_app_number] => 16/603212 [patent_app_country] => US [patent_app_date] => 2019-02-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3143 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16603212 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/603212
Ink composition for writing instrument and writing instrument having the same Feb 24, 2019 Issued
Array ( [id] => 16598153 [patent_doc_number] => 20210024684 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-01-28 [patent_title] => Compositions for Use in Impregnation of Paper Bushings [patent_app_type] => utility [patent_app_number] => 16/980894 [patent_app_country] => US [patent_app_date] => 2019-02-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3639 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 15 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16980894 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/980894
Compositions for use in impregnation of paper bushings Feb 21, 2019 Issued
Array ( [id] => 17513742 [patent_doc_number] => 11292874 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-04-05 [patent_title] => Thermosetting resin composition, prepreg, fiber-reinforced plastic molded body and method for producing same [patent_app_type] => utility [patent_app_number] => 16/281298 [patent_app_country] => US [patent_app_date] => 2019-02-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 17341 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16281298 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/281298
Thermosetting resin composition, prepreg, fiber-reinforced plastic molded body and method for producing same Feb 20, 2019 Issued
Array ( [id] => 16762444 [patent_doc_number] => 20210108025 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-15 [patent_title] => EPOXY RESIN COMPOSITION [patent_app_type] => utility [patent_app_number] => 16/970419 [patent_app_country] => US [patent_app_date] => 2019-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7920 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16970419 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/970419
EPOXY RESIN COMPOSITION Feb 19, 2019 Abandoned
Array ( [id] => 16727919 [patent_doc_number] => 20210095066 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2021-04-01 [patent_title] => CURABLE COMPOSITION AND FIBER REINFORCED COMPOSITE MATERIAL [patent_app_type] => utility [patent_app_number] => 16/970765 [patent_app_country] => US [patent_app_date] => 2019-02-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8333 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16970765 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/970765
CURABLE COMPOSITION AND FIBER REINFORCED COMPOSITE MATERIAL Feb 11, 2019 Abandoned
Array ( [id] => 14439251 [patent_doc_number] => 20190177498 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-13 [patent_title] => Thermoplastic/Thermoset Grafted Composites [patent_app_type] => utility [patent_app_number] => 16/272308 [patent_app_country] => US [patent_app_date] => 2019-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8145 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16272308 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/272308
Thermoplastic/thermoset grafted composites Feb 10, 2019 Issued
Array ( [id] => 18428783 [patent_doc_number] => 11673994 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-06-13 [patent_title] => Photosensitizer and active energy ray-curable composition [patent_app_type] => utility [patent_app_number] => 16/957303 [patent_app_country] => US [patent_app_date] => 2019-02-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 9303 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16957303 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/957303
Photosensitizer and active energy ray-curable composition Jan 31, 2019 Issued
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