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David Severin

Examiner (ID: 15737)

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

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2761055 [patent_doc_number] => 05072320 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-12-10 [patent_title] => 'Magnetic recording and reproducing apparatus having improved durability' [patent_app_type] => 1 [patent_app_number] => 7/316318 [patent_app_country] => US [patent_app_date] => 1989-02-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2130 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/072/05072320.pdf [firstpage_image] =>[orig_patent_app_number] => 316318 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/316318
Magnetic recording and reproducing apparatus having improved durability Feb 26, 1989 Issued
Array ( [id] => 2634702 [patent_doc_number] => 04951164 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-08-21 [patent_title] => 'Single motor magnetic recording/playback apparatus using a worm and worm wheel' [patent_app_type] => 1 [patent_app_number] => 7/315108 [patent_app_country] => US [patent_app_date] => 1989-02-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 29 [patent_figures_cnt] => 34 [patent_no_of_words] => 11388 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 131 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/951/04951164.pdf [firstpage_image] =>[orig_patent_app_number] => 315108 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/315108
Single motor magnetic recording/playback apparatus using a worm and worm wheel Feb 23, 1989 Issued
Array ( [id] => 2740799 [patent_doc_number] => 05032943 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-16 [patent_title] => 'Magnetoresistive head having controlled reproduction output characteristics' [patent_app_type] => 1 [patent_app_number] => 7/314570 [patent_app_country] => US [patent_app_date] => 1989-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 11 [patent_no_of_words] => 4079 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/032/05032943.pdf [firstpage_image] =>[orig_patent_app_number] => 314570 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/314570
Magnetoresistive head having controlled reproduction output characteristics Feb 22, 1989 Issued
07/310476 DISK DRIVE APPARATUS Feb 12, 1989 Abandoned
Array ( [id] => 2774873 [patent_doc_number] => 05036412 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-30 [patent_title] => 'Magnetic recording and reproducing apparatus with single inclining post' [patent_app_type] => 1 [patent_app_number] => 7/308820 [patent_app_country] => US [patent_app_date] => 1989-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2573 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 190 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/036/05036412.pdf [firstpage_image] =>[orig_patent_app_number] => 308820 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/308820
Magnetic recording and reproducing apparatus with single inclining post Feb 9, 1989 Issued
Array ( [id] => 2696304 [patent_doc_number] => 05050019 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-09-17 [patent_title] => 'Method for automatic continuous changing of cartridge-type magnetic tapes' [patent_app_type] => 1 [patent_app_number] => 7/305648 [patent_app_country] => US [patent_app_date] => 1989-02-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 4238 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 219 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/050/05050019.pdf [firstpage_image] =>[orig_patent_app_number] => 305648 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/305648
Method for automatic continuous changing of cartridge-type magnetic tapes Feb 2, 1989 Issued
07/305678 REGULATING PLATE AND THIN FILM MAGNETIC HEAD Feb 1, 1989 Abandoned
Array ( [id] => 2681106 [patent_doc_number] => 04984120 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-01-08 [patent_title] => 'Cleaning cassette for a video cassette tape deck' [patent_app_type] => 1 [patent_app_number] => 7/302018 [patent_app_country] => US [patent_app_date] => 1989-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 13 [patent_no_of_words] => 4969 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/984/04984120.pdf [firstpage_image] =>[orig_patent_app_number] => 302018 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/302018
Cleaning cassette for a video cassette tape deck Jan 24, 1989 Issued
Array ( [id] => 2740762 [patent_doc_number] => 05032941 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-16 [patent_title] => 'Magnetic head feeding device' [patent_app_type] => 1 [patent_app_number] => 7/301078 [patent_app_country] => US [patent_app_date] => 1989-01-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 26 [patent_no_of_words] => 14419 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/032/05032941.pdf [firstpage_image] =>[orig_patent_app_number] => 301078 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/301078
Magnetic head feeding device Jan 23, 1989 Issued
Array ( [id] => 2702236 [patent_doc_number] => 04996617 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-02-26 [patent_title] => 'Disc drive safety latch using shape memory metals' [patent_app_type] => 1 [patent_app_number] => 7/299400 [patent_app_country] => US [patent_app_date] => 1989-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 4276 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 246 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/996/04996617.pdf [firstpage_image] =>[orig_patent_app_number] => 299400 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/299400
Disc drive safety latch using shape memory metals Jan 22, 1989 Issued
Array ( [id] => 2663142 [patent_doc_number] => 04972284 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-11-20 [patent_title] => 'Deposited permanent magnet for hard and easy axes biasing of a magnetoresistive head' [patent_app_type] => 1 [patent_app_number] => 7/292708 [patent_app_country] => US [patent_app_date] => 1989-01-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 2970 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 95 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/972/04972284.pdf [firstpage_image] =>[orig_patent_app_number] => 292708 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/292708
Deposited permanent magnet for hard and easy axes biasing of a magnetoresistive head Jan 2, 1989 Issued
Array ( [id] => 2622946 [patent_doc_number] => 04943882 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-07-24 [patent_title] => 'Thin-film, perpendicular magnetic recording and reproducing head' [patent_app_type] => 1 [patent_app_number] => 7/289422 [patent_app_country] => US [patent_app_date] => 1988-12-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 13 [patent_no_of_words] => 3234 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 291 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/943/04943882.pdf [firstpage_image] =>[orig_patent_app_number] => 289422 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/289422
Thin-film, perpendicular magnetic recording and reproducing head Dec 22, 1988 Issued
Array ( [id] => 2597200 [patent_doc_number] => 04970614 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-11-13 [patent_title] => 'Adjustable magnetic recording and reproducing head unit' [patent_app_type] => 1 [patent_app_number] => 7/288310 [patent_app_country] => US [patent_app_date] => 1988-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 10 [patent_no_of_words] => 3606 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 162 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/970/04970614.pdf [firstpage_image] =>[orig_patent_app_number] => 288310 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/288310
Adjustable magnetic recording and reproducing head unit Dec 21, 1988 Issued
07/277558 TAPE CASSETTE LOADING SYSTEM IN RECORDING AND/OR REPRODUCING APPARATUS Nov 28, 1988 Abandoned
Array ( [id] => 2601977 [patent_doc_number] => 04933793 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-06-12 [patent_title] => 'Magnetic disc drive' [patent_app_type] => 1 [patent_app_number] => 7/275490 [patent_app_country] => US [patent_app_date] => 1988-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2130 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/933/04933793.pdf [firstpage_image] =>[orig_patent_app_number] => 275490 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/275490
Magnetic disc drive Nov 22, 1988 Issued
Array ( [id] => 2704091 [patent_doc_number] => 04991038 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-02-05 [patent_title] => 'Automatic threading of a web using a flexible threading band' [patent_app_type] => 1 [patent_app_number] => 7/274900 [patent_app_country] => US [patent_app_date] => 1988-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 2443 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/991/04991038.pdf [firstpage_image] =>[orig_patent_app_number] => 274900 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/274900
Automatic threading of a web using a flexible threading band Nov 20, 1988 Issued
Array ( [id] => 2622905 [patent_doc_number] => 04943880 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-07-24 [patent_title] => 'Disk locking mechanism for disk cartridge' [patent_app_type] => 1 [patent_app_number] => 7/270359 [patent_app_country] => US [patent_app_date] => 1988-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2015 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 126 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/943/04943880.pdf [firstpage_image] =>[orig_patent_app_number] => 270359 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/270359
Disk locking mechanism for disk cartridge Nov 13, 1988 Issued
Array ( [id] => 2675612 [patent_doc_number] => 04935834 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-06-19 [patent_title] => 'Shutter spring for disk cartridge' [patent_app_type] => 1 [patent_app_number] => 7/270358 [patent_app_country] => US [patent_app_date] => 1988-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2016 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 158 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/935/04935834.pdf [firstpage_image] =>[orig_patent_app_number] => 270358 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/270358
Shutter spring for disk cartridge Nov 13, 1988 Issued
Array ( [id] => 2678088 [patent_doc_number] => 05047885 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-09-10 [patent_title] => 'Magnetic head formed of thin metal film including a chevron shape' [patent_app_type] => 1 [patent_app_number] => 7/269608 [patent_app_country] => US [patent_app_date] => 1988-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3171 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/047/05047885.pdf [firstpage_image] =>[orig_patent_app_number] => 269608 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/269608
Magnetic head formed of thin metal film including a chevron shape Nov 9, 1988 Issued
Array ( [id] => 2681144 [patent_doc_number] => 04984122 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-01-08 [patent_title] => 'Tape cassette with air blocking baffles' [patent_app_type] => 1 [patent_app_number] => 7/269380 [patent_app_country] => US [patent_app_date] => 1988-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2794 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/984/04984122.pdf [firstpage_image] =>[orig_patent_app_number] => 269380 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/269380
Tape cassette with air blocking baffles Nov 9, 1988 Issued
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