Search

Donald T. Hajec

Examiner (ID: 10611)

Most Active Art Unit
3102
Art Unit(s)
3108, 2800, 2514, 3102, 3101, 2876
Total Applications
744
Issued Applications
630
Pending Applications
1
Abandoned Applications
113

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2123361 [patent_doc_number] => 04426005 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-01-17 [patent_title] => 'Device for preventing scattering of particles for color sorting apparatus' [patent_app_type] => 1 [patent_app_number] => 6/283817 [patent_app_country] => US [patent_app_date] => 1981-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2980 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/426/04426005.pdf [firstpage_image] =>[orig_patent_app_number] => 283817 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/283817
Device for preventing scattering of particles for color sorting apparatus Jul 15, 1981 Issued
Array ( [id] => 2002401 [patent_doc_number] => 04397460 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-08-09 [patent_title] => 'Overlapped document detector' [patent_app_type] => 1 [patent_app_number] => 6/280756 [patent_app_country] => US [patent_app_date] => 1981-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 4486 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 37 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/397/04397460.pdf [firstpage_image] =>[orig_patent_app_number] => 280756 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/280756
Overlapped document detector Jul 5, 1981 Issued
Array ( [id] => 2026236 [patent_doc_number] => 04415088 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-11-15 [patent_title] => 'Cylinder-type rotary sorting apparatus' [patent_app_type] => 1 [patent_app_number] => 6/279727 [patent_app_country] => US [patent_app_date] => 1981-07-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 2500 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/415/04415088.pdf [firstpage_image] =>[orig_patent_app_number] => 279727 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/279727
Cylinder-type rotary sorting apparatus Jul 1, 1981 Issued
Array ( [id] => 2060137 [patent_doc_number] => 04458588 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-07-10 [patent_title] => 'Dumping transport vehicle for harvested cotton having packer-divider' [patent_app_type] => 1 [patent_app_number] => 6/279232 [patent_app_country] => US [patent_app_date] => 1981-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 7 [patent_no_of_words] => 1399 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 384 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/458/04458588.pdf [firstpage_image] =>[orig_patent_app_number] => 279232 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/279232
Dumping transport vehicle for harvested cotton having packer-divider Jun 29, 1981 Issued
Array ( [id] => 1993195 [patent_doc_number] => 04375285 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-03-01 [patent_title] => 'Device for transporting and positioning printing plates' [patent_app_type] => 1 [patent_app_number] => 6/278846 [patent_app_country] => US [patent_app_date] => 1981-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3211 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 231 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/375/04375285.pdf [firstpage_image] =>[orig_patent_app_number] => 278846 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/278846
Device for transporting and positioning printing plates Jun 28, 1981 Issued
Array ( [id] => 1993780 [patent_doc_number] => 04381108 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-04-26 [patent_title] => 'Device for aligning signatures fed in shingled relation' [patent_app_type] => 1 [patent_app_number] => 6/278403 [patent_app_country] => US [patent_app_date] => 1981-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 21 [patent_no_of_words] => 6039 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 283 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/381/04381108.pdf [firstpage_image] =>[orig_patent_app_number] => 278403 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/278403
Device for aligning signatures fed in shingled relation Jun 28, 1981 Issued
06/278392 SEPARATION DEVICES EMPLOYING FORCED AIR THROUGH GRID LIKE CONVEYOR BELT Jun 28, 1981 Abandoned
Array ( [id] => 2002373 [patent_doc_number] => 04401402 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-08-30 [patent_title] => 'Liquid seal lock hoppers and method of utilizing same' [patent_app_type] => 1 [patent_app_number] => 6/273558 [patent_app_country] => US [patent_app_date] => 1981-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 8313 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/401/04401402.pdf [firstpage_image] =>[orig_patent_app_number] => 273558 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/273558
Liquid seal lock hoppers and method of utilizing same Jun 15, 1981 Issued
Array ( [id] => 2030376 [patent_doc_number] => 04422817 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-12-27 [patent_title] => 'Load manipulating apparatus' [patent_app_type] => 1 [patent_app_number] => 6/268622 [patent_app_country] => US [patent_app_date] => 1981-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 6250 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/422/04422817.pdf [firstpage_image] =>[orig_patent_app_number] => 268622 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/268622
Load manipulating apparatus May 28, 1981 Issued
Array ( [id] => 2106463 [patent_doc_number] => 04466771 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-08-21 [patent_title] => 'Wheelchair lift' [patent_app_type] => 1 [patent_app_number] => 6/268466 [patent_app_country] => US [patent_app_date] => 1981-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 13 [patent_no_of_words] => 4566 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/466/04466771.pdf [firstpage_image] =>[orig_patent_app_number] => 268466 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/268466
Wheelchair lift May 28, 1981 Issued
Array ( [id] => 2005184 [patent_doc_number] => 04391425 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-07-05 [patent_title] => 'Railroad switch heater' [patent_app_type] => 1 [patent_app_number] => 6/267791 [patent_app_country] => US [patent_app_date] => 1981-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 13 [patent_no_of_words] => 6572 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/391/04391425.pdf [firstpage_image] =>[orig_patent_app_number] => 267791 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/267791
Railroad switch heater May 27, 1981 Issued
Array ( [id] => 2358770 [patent_doc_number] => 04693376 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-09-15 [patent_title] => 'Apparatus for inspecting containers' [patent_app_type] => 1 [patent_app_number] => 6/266801 [patent_app_country] => US [patent_app_date] => 1981-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2392 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/693/04693376.pdf [firstpage_image] =>[orig_patent_app_number] => 266801 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/266801
Apparatus for inspecting containers May 25, 1981 Issued
06/265633 TRANSFER APPARATUS May 19, 1981 Abandoned
Array ( [id] => 2108970 [patent_doc_number] => 04436207 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-03-13 [patent_title] => 'Automatic corn sorting and inspection system' [patent_app_type] => 1 [patent_app_number] => 6/261942 [patent_app_country] => US [patent_app_date] => 1981-05-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 16 [patent_no_of_words] => 5029 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/436/04436207.pdf [firstpage_image] =>[orig_patent_app_number] => 261942 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/261942
Automatic corn sorting and inspection system May 7, 1981 Issued
Array ( [id] => 2012333 [patent_doc_number] => 04399753 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-08-23 [patent_title] => 'Mobile track correction machine' [patent_app_type] => 1 [patent_app_number] => 6/261571 [patent_app_country] => US [patent_app_date] => 1981-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 7 [patent_no_of_words] => 4398 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/399/04399753.pdf [firstpage_image] =>[orig_patent_app_number] => 261571 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/261571
Mobile track correction machine May 6, 1981 Issued
Array ( [id] => 2036923 [patent_doc_number] => 04417522 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-11-29 [patent_title] => 'Mobil track correction machine' [patent_app_type] => 1 [patent_app_number] => 6/261572 [patent_app_country] => US [patent_app_date] => 1981-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 2790 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 231 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/417/04417522.pdf [firstpage_image] =>[orig_patent_app_number] => 261572 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/261572
Mobil track correction machine May 6, 1981 Issued
Array ( [id] => 2011963 [patent_doc_number] => 04402272 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-09-06 [patent_title] => 'Rail-transportation system' [patent_app_type] => 1 [patent_app_number] => 6/261501 [patent_app_country] => US [patent_app_date] => 1981-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 15 [patent_no_of_words] => 3091 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 195 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/402/04402272.pdf [firstpage_image] =>[orig_patent_app_number] => 261501 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/261501
Rail-transportation system May 6, 1981 Issued
Array ( [id] => 2038222 [patent_doc_number] => 04417662 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-11-29 [patent_title] => 'Vial inspection machine' [patent_app_type] => 1 [patent_app_number] => 6/260003 [patent_app_country] => US [patent_app_date] => 1981-05-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 8642 [patent_no_of_claims] => 57 [patent_no_of_ind_claims] => 13 [patent_words_short_claim] => 31 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/417/04417662.pdf [firstpage_image] =>[orig_patent_app_number] => 260003 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/260003
Vial inspection machine May 3, 1981 Issued
Array ( [id] => 2043913 [patent_doc_number] => 04386884 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-06-07 [patent_title] => 'Automatic tub dumper' [patent_app_type] => 1 [patent_app_number] => 6/257670 [patent_app_country] => US [patent_app_date] => 1981-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 741 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 457 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/386/04386884.pdf [firstpage_image] =>[orig_patent_app_number] => 257670 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/257670
Automatic tub dumper Apr 26, 1981 Issued
Array ( [id] => 2017601 [patent_doc_number] => 04394837 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-07-26 [patent_title] => 'Passenger station for elevated railway system' [patent_app_type] => 1 [patent_app_number] => 6/257954 [patent_app_country] => US [patent_app_date] => 1981-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 9 [patent_no_of_words] => 3637 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 267 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/394/04394837.pdf [firstpage_image] =>[orig_patent_app_number] => 257954 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/257954
Passenger station for elevated railway system Apr 26, 1981 Issued
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