Search

Frederick F. Krass

Supervisory Patent Examiner (ID: 7632, Phone: (571)272-0580 , Office: P/1612 )

Most Active Art Unit
1614
Art Unit(s)
1614, 1501, 2899, 1503, 1612
Total Applications
2179
Issued Applications
1357
Pending Applications
300
Abandoned Applications
523

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 15590815 [patent_doc_number] => 20200071942 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-03-05 [patent_title] => WORK OVER PLATFORM APPARATUS AND METHOD [patent_app_type] => utility [patent_app_number] => 16/186482 [patent_app_country] => US [patent_app_date] => 2018-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6339 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 71 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16186482 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/186482
WORK OVER PLATFORM APPARATUS AND METHOD Nov 8, 2018 Abandoned
Array ( [id] => 14278677 [patent_doc_number] => 20190136623 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-05-09 [patent_title] => LOCKING ASSEMBLY FOR A TELESCOPING LADDER [patent_app_type] => utility [patent_app_number] => 16/180470 [patent_app_country] => US [patent_app_date] => 2018-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5592 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 223 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16180470 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/180470
Locking assembly for a telescoping ladder Nov 4, 2018 Issued
Array ( [id] => 15867563 [patent_doc_number] => 20200141185 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-05-07 [patent_title] => LADDER [patent_app_type] => utility [patent_app_number] => 16/178941 [patent_app_country] => US [patent_app_date] => 2018-11-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2633 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16178941 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/178941
Ladder Nov 1, 2018 Issued
Array ( [id] => 13987855 [patent_doc_number] => 20190063085 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-28 [patent_title] => BRIDGE PLANK APPLICABLE TO CONSTRUCTION SITES [patent_app_type] => utility [patent_app_number] => 16/176197 [patent_app_country] => US [patent_app_date] => 2018-10-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1401 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16176197 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/176197
BRIDGE PLANK APPLICABLE TO CONSTRUCTION SITES Oct 30, 2018 Abandoned
Array ( [id] => 17815878 [patent_doc_number] => 11421477 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-08-23 [patent_title] => Access platform system with integrated folding steps [patent_app_type] => utility [patent_app_number] => 16/174915 [patent_app_country] => US [patent_app_date] => 2018-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 48 [patent_no_of_words] => 9890 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 230 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16174915 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/174915
Access platform system with integrated folding steps Oct 29, 2018 Issued
Array ( [id] => 17453475 [patent_doc_number] => 11268323 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-08 [patent_title] => Gutter protection and ladder support apparatus [patent_app_type] => utility [patent_app_number] => 16/171957 [patent_app_country] => US [patent_app_date] => 2018-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 43 [patent_no_of_words] => 6111 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 304 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16171957 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/171957
Gutter protection and ladder support apparatus Oct 25, 2018 Issued
Array ( [id] => 13987991 [patent_doc_number] => 20190063153 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-28 [patent_title] => GUTTER PROTECTION AND LADDER SUPPORT APPARATUS [patent_app_type] => utility [patent_app_number] => 16/171908 [patent_app_country] => US [patent_app_date] => 2018-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6111 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [patent_words_short_claim] => 151 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16171908 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/171908
Gutter protection and ladder support apparatus Oct 25, 2018 Issued
Array ( [id] => 17468024 [patent_doc_number] => 11274496 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2022-03-15 [patent_title] => Gutter protection and ladder support apparatus [patent_app_type] => utility [patent_app_number] => 16/171975 [patent_app_country] => US [patent_app_date] => 2018-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 43 [patent_no_of_words] => 6111 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 242 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16171975 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/171975
Gutter protection and ladder support apparatus Oct 25, 2018 Issued
Array ( [id] => 15769885 [patent_doc_number] => 20200115960 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-04-16 [patent_title] => LADDER BASE SUPPORT SYSTEM [patent_app_type] => utility [patent_app_number] => 16/158207 [patent_app_country] => US [patent_app_date] => 2018-10-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2128 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 72 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16158207 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/158207
LADDER BASE SUPPORT SYSTEM Oct 10, 2018 Abandoned
Array ( [id] => 13958877 [patent_doc_number] => 20190055782 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-21 [patent_title] => PORTABLE TREESTAND AND CLIMBING STICK SYSTEM [patent_app_type] => utility [patent_app_number] => 16/141579 [patent_app_country] => US [patent_app_date] => 2018-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10655 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16141579 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/141579
Portable treestand and climbing stick system Sep 24, 2018 Issued
Array ( [id] => 13727849 [patent_doc_number] => 20180368392 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-27 [patent_title] => SAFETY RAIL [patent_app_type] => utility [patent_app_number] => 16/119421 [patent_app_country] => US [patent_app_date] => 2018-08-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2984 [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] => 16119421 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/119421
Safety rail Aug 30, 2018 Issued
Array ( [id] => 14018053 [patent_doc_number] => 20190071020 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-03-07 [patent_title] => Cab Guard with Adjustable Railing System for Aerial Device [patent_app_type] => utility [patent_app_number] => 16/108197 [patent_app_country] => US [patent_app_date] => 2018-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14589 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16108197 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/108197
Cab guard with adjustable railing system for aerial device Aug 21, 2018 Issued
Array ( [id] => 14498465 [patent_doc_number] => 20190192887 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-27 [patent_title] => ASSEMBLY FOR EXTRICATION AND RESCUE [patent_app_type] => utility [patent_app_number] => 16/101289 [patent_app_country] => US [patent_app_date] => 2018-08-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6806 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16101289 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/101289
ASSEMBLY FOR EXTRICATION AND RESCUE Aug 9, 2018 Abandoned
Array ( [id] => 15453575 [patent_doc_number] => 20200039612 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-02-06 [patent_title] => ATTACHMENTS FOR A COLLAPSIBLE MARINE LADDER [patent_app_type] => utility [patent_app_number] => 16/056117 [patent_app_country] => US [patent_app_date] => 2018-08-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9129 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 265 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16056117 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/056117
Attachments for a collapsible marine ladder Aug 5, 2018 Issued
Array ( [id] => 13900979 [patent_doc_number] => 20190039694 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-02-07 [patent_title] => MARINE BOARDING LADDER [patent_app_type] => utility [patent_app_number] => 16/052872 [patent_app_country] => US [patent_app_date] => 2018-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3510 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 249 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16052872 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/052872
MARINE BOARDING LADDER Aug 1, 2018 Abandoned
Array ( [id] => 14276585 [patent_doc_number] => 20190135577 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-05-09 [patent_title] => REDUCED SIZED WEARABLE RETRACTABLE [patent_app_type] => utility [patent_app_number] => 16/050699 [patent_app_country] => US [patent_app_date] => 2018-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11345 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16050699 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/050699
Reduced sized wearable retractable Jul 30, 2018 Issued
Array ( [id] => 13566615 [patent_doc_number] => 20180334855 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-22 [patent_title] => Concealable Step Stool [patent_app_type] => utility [patent_app_number] => 16/048523 [patent_app_country] => US [patent_app_date] => 2018-07-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2091 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16048523 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/048523
Concealable Step Stool Jul 29, 2018 Abandoned
Array ( [id] => 16970875 [patent_doc_number] => 11066838 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-07-20 [patent_title] => Work platform mover system [patent_app_type] => utility [patent_app_number] => 16/033438 [patent_app_country] => US [patent_app_date] => 2018-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 18 [patent_no_of_words] => 7262 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [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] => 16033438 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/033438
Work platform mover system Jul 11, 2018 Issued
Array ( [id] => 13730307 [patent_doc_number] => 20180369621 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-27 [patent_title] => ROPING HARNESS [patent_app_type] => utility [patent_app_number] => 16/019053 [patent_app_country] => US [patent_app_date] => 2018-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5424 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16019053 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/019053
Roping harness Jun 25, 2018 Issued
Array ( [id] => 15268733 [patent_doc_number] => 20190383100 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-12-19 [patent_title] => Ladder [patent_app_type] => utility [patent_app_number] => 16/010918 [patent_app_country] => US [patent_app_date] => 2018-06-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3820 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 34 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16010918 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/010918
Ladder Jun 17, 2018 Issued
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