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David Severin

Examiner (ID: 7480)

Most Active Art Unit
2303
Art Unit(s)
2303, 2512
Total Applications
554
Issued Applications
488
Pending Applications
0
Abandoned Applications
66

Applications

Application numberTitle of the applicationFiling DateStatus
06/684300 THIN-FILM MAGNETIC HEAD AND METHOD OF MANUFACTURING THE SAME Dec 19, 1984 Abandoned
Array ( [id] => 2316809 [patent_doc_number] => 04646189 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-02-24 [patent_title] => 'Magnetic tape cassette with door opening mechanism' [patent_app_type] => 1 [patent_app_number] => 6/679240 [patent_app_country] => US [patent_app_date] => 1984-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 15 [patent_no_of_words] => 6123 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 533 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/646/04646189.pdf [firstpage_image] =>[orig_patent_app_number] => 679240 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/679240
Magnetic tape cassette with door opening mechanism Dec 6, 1984 Issued
Array ( [id] => 2308599 [patent_doc_number] => 04642721 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-02-10 [patent_title] => 'Magnetic tape cartridge with increased data packing density' [patent_app_type] => 1 [patent_app_number] => 6/677197 [patent_app_country] => US [patent_app_date] => 1984-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 4055 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 296 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/642/04642721.pdf [firstpage_image] =>[orig_patent_app_number] => 677197 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/677197
Magnetic tape cartridge with increased data packing density Dec 2, 1984 Issued
06/677550 COMPLEX MAGNETIC TRANSDUCER HEAD OF SINGLE MAGNETIC POLE TYPE FOR PERPENDICULAR MODE RECORDING Nov 20, 1984 Abandoned
06/669410 NARROW CONTOUR HEAD ASSEMBLY Nov 7, 1984 Abandoned
06/669320 COLORED FLEXIBLE DISK JACKET Nov 6, 1984 Abandoned
Array ( [id] => 2316830 [patent_doc_number] => 04646190 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-02-24 [patent_title] => 'Magnetic tape cassette having automatic brake' [patent_app_type] => 1 [patent_app_number] => 6/669160 [patent_app_country] => US [patent_app_date] => 1984-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 15 [patent_no_of_words] => 5994 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/646/04646190.pdf [firstpage_image] =>[orig_patent_app_number] => 669160 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/669160
Magnetic tape cassette having automatic brake Nov 6, 1984 Issued
Array ( [id] => 2360274 [patent_doc_number] => 04651250 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-03-17 [patent_title] => 'Operating lever apparatus' [patent_app_type] => 1 [patent_app_number] => 6/662550 [patent_app_country] => US [patent_app_date] => 1984-10-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 8458 [patent_no_of_claims] => 38 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/651/04651250.pdf [firstpage_image] =>[orig_patent_app_number] => 662550 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/662550
Operating lever apparatus Oct 18, 1984 Issued
Array ( [id] => 2396013 [patent_doc_number] => 04794476 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-12-27 [patent_title] => 'Cassette eject mechanism for cassette deck' [patent_app_type] => 1 [patent_app_number] => 6/658240 [patent_app_country] => US [patent_app_date] => 1984-10-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 23 [patent_no_of_words] => 4906 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/794/04794476.pdf [firstpage_image] =>[orig_patent_app_number] => 658240 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/658240
Cassette eject mechanism for cassette deck Oct 4, 1984 Issued
Array ( [id] => 2299802 [patent_doc_number] => 04652961 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-03-24 [patent_title] => 'Micro-floppy diskette with inner containment system' [patent_app_type] => 1 [patent_app_number] => 6/655120 [patent_app_country] => US [patent_app_date] => 1984-09-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 4281 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/652/04652961.pdf [firstpage_image] =>[orig_patent_app_number] => 655120 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/655120
Micro-floppy diskette with inner containment system Sep 26, 1984 Issued
Array ( [id] => 2450379 [patent_doc_number] => 04722016 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-01-26 [patent_title] => 'Tape cassette for cleaning use' [patent_app_type] => 1 [patent_app_number] => 6/649730 [patent_app_country] => US [patent_app_date] => 1984-09-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 15 [patent_no_of_words] => 4330 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/722/04722016.pdf [firstpage_image] =>[orig_patent_app_number] => 649730 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/649730
Tape cassette for cleaning use Sep 11, 1984 Issued
06/643320 DISC CARTRIDGE Aug 21, 1984 Abandoned
Array ( [id] => 2316120 [patent_doc_number] => 04675766 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-06-23 [patent_title] => 'Combined magnetic write and read head for a recording medium which can be magnetized perpendicularly' [patent_app_type] => 1 [patent_app_number] => 6/632880 [patent_app_country] => US [patent_app_date] => 1984-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3551 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 412 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/675/04675766.pdf [firstpage_image] =>[orig_patent_app_number] => 632880 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/632880
Combined magnetic write and read head for a recording medium which can be magnetized perpendicularly Jul 19, 1984 Issued
Array ( [id] => 2561421 [patent_doc_number] => 04803582 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-02-07 [patent_title] => 'Perpendicular magnetization type magnetic head having a magnetic pole part which forms a closed magnetic path' [patent_app_type] => 1 [patent_app_number] => 6/630660 [patent_app_country] => US [patent_app_date] => 1984-07-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 10 [patent_no_of_words] => 3189 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 133 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/803/04803582.pdf [firstpage_image] =>[orig_patent_app_number] => 630660 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/630660
Perpendicular magnetization type magnetic head having a magnetic pole part which forms a closed magnetic path Jul 15, 1984 Issued
Array ( [id] => 2396814 [patent_doc_number] => 04663680 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-05-05 [patent_title] => 'Mounting frame for microcassette changer' [patent_app_type] => 1 [patent_app_number] => 6/629301 [patent_app_country] => US [patent_app_date] => 1984-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 23 [patent_no_of_words] => 6550 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 208 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/663/04663680.pdf [firstpage_image] =>[orig_patent_app_number] => 629301 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/629301
Mounting frame for microcassette changer Jul 8, 1984 Issued
Array ( [id] => 2307107 [patent_doc_number] => 04673995 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-06-16 [patent_title] => 'Cartridge tape drive with friction roller to open cartridge door' [patent_app_type] => 1 [patent_app_number] => 6/628110 [patent_app_country] => US [patent_app_date] => 1984-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 12 [patent_no_of_words] => 2778 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 207 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/673/04673995.pdf [firstpage_image] =>[orig_patent_app_number] => 628110 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/628110
Cartridge tape drive with friction roller to open cartridge door Jul 5, 1984 Issued
06/625560 A SHAFT HAVING A GROOVE FOR A VIDEO TAPE CARTRIDGE AND METALLIC MOLDS FOR ITS PREPARATION Jun 27, 1984 Abandoned
Array ( [id] => 2451757 [patent_doc_number] => 04745505 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-05-17 [patent_title] => 'Magnetic head with a modified gap filler' [patent_app_type] => 1 [patent_app_number] => 6/625420 [patent_app_country] => US [patent_app_date] => 1984-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 12 [patent_no_of_words] => 4306 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/745/04745505.pdf [firstpage_image] =>[orig_patent_app_number] => 625420 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/625420
Magnetic head with a modified gap filler Jun 27, 1984 Issued
Array ( [id] => 2296478 [patent_doc_number] => 04639802 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-01-27 [patent_title] => 'Shrink ring for disk clamping' [patent_app_type] => 1 [patent_app_number] => 6/624330 [patent_app_country] => US [patent_app_date] => 1984-06-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1630 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/639/04639802.pdf [firstpage_image] =>[orig_patent_app_number] => 624330 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/624330
Shrink ring for disk clamping Jun 24, 1984 Issued
Array ( [id] => 2363205 [patent_doc_number] => 04683509 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-07-28 [patent_title] => 'High efficiency magnetic erase head' [patent_app_type] => 1 [patent_app_number] => 6/621230 [patent_app_country] => US [patent_app_date] => 1984-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2418 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 198 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/683/04683509.pdf [firstpage_image] =>[orig_patent_app_number] => 621230 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/621230
High efficiency magnetic erase head Jun 14, 1984 Issued
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