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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
Array ( [id] => 2563026 [patent_doc_number] => 04814918 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-03-21 [patent_title] => 'Multitrack magnetic head having magnetically coupled transducer elements' [patent_app_type] => 1 [patent_app_number] => 7/055660 [patent_app_country] => US [patent_app_date] => 1987-05-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1718 [patent_no_of_claims] => 5 [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/04/814/04814918.pdf [firstpage_image] =>[orig_patent_app_number] => 055660 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/055660
Multitrack magnetic head having magnetically coupled transducer elements May 27, 1987 Issued
Array ( [id] => 2489489 [patent_doc_number] => 04823219 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-04-18 [patent_title] => 'Carriage recording head sandwiched by electromagnetic coil sections' [patent_app_type] => 1 [patent_app_number] => 7/054778 [patent_app_country] => US [patent_app_date] => 1987-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2312 [patent_no_of_claims] => 7 [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/04/823/04823219.pdf [firstpage_image] =>[orig_patent_app_number] => 054778 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/054778
Carriage recording head sandwiched by electromagnetic coil sections May 26, 1987 Issued
Array ( [id] => 2537472 [patent_doc_number] => 04839757 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-06-13 [patent_title] => 'Manual head loading mechanism for flexible disk drive' [patent_app_type] => 1 [patent_app_number] => 7/054398 [patent_app_country] => US [patent_app_date] => 1987-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 15 [patent_no_of_words] => 8733 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 229 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/839/04839757.pdf [firstpage_image] =>[orig_patent_app_number] => 054398 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/054398
Manual head loading mechanism for flexible disk drive May 25, 1987 Issued
Array ( [id] => 2570856 [patent_doc_number] => 04835643 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-05-30 [patent_title] => 'Disk drive head actuator coil' [patent_app_type] => 1 [patent_app_number] => 7/051988 [patent_app_country] => US [patent_app_date] => 1987-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2154 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 334 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/835/04835643.pdf [firstpage_image] =>[orig_patent_app_number] => 051988 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/051988
Disk drive head actuator coil May 18, 1987 Issued
Array ( [id] => 2570880 [patent_doc_number] => 04835644 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-05-30 [patent_title] => 'Side loaded disk drive pivot' [patent_app_type] => 1 [patent_app_number] => 7/051990 [patent_app_country] => US [patent_app_date] => 1987-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1258 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/835/04835644.pdf [firstpage_image] =>[orig_patent_app_number] => 051990 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/051990
Side loaded disk drive pivot May 18, 1987 Issued
Array ( [id] => 2460666 [patent_doc_number] => 04766511 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-08-23 [patent_title] => 'Anti-static surface for magnetic tape cartridge' [patent_app_type] => 1 [patent_app_number] => 7/053504 [patent_app_country] => US [patent_app_date] => 1987-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 1800 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/766/04766511.pdf [firstpage_image] =>[orig_patent_app_number] => 053504 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/053504
Anti-static surface for magnetic tape cartridge May 14, 1987 Issued
Array ( [id] => 2519707 [patent_doc_number] => 04841403 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-06-20 [patent_title] => 'Lid spring locking structure in a magnetic tape cassette' [patent_app_type] => 1 [patent_app_number] => 7/051220 [patent_app_country] => US [patent_app_date] => 1987-05-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1648 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 183 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/841/04841403.pdf [firstpage_image] =>[orig_patent_app_number] => 051220 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/051220
Lid spring locking structure in a magnetic tape cassette May 13, 1987 Issued
Array ( [id] => 2943679 [patent_doc_number] => 05196978 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-03-23 [patent_title] => 'Cartridge case' [patent_app_type] => 1 [patent_app_number] => 7/048768 [patent_app_country] => US [patent_app_date] => 1987-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 7 [patent_no_of_words] => 2282 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/196/05196978.pdf [firstpage_image] =>[orig_patent_app_number] => 048768 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/048768
Cartridge case May 11, 1987 Issued
Array ( [id] => 2530781 [patent_doc_number] => 04884153 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-11-28 [patent_title] => 'Single driving system for tape loading and reel mode conversion of VCR' [patent_app_type] => 1 [patent_app_number] => 7/048823 [patent_app_country] => US [patent_app_date] => 1987-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2135 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 271 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/884/04884153.pdf [firstpage_image] =>[orig_patent_app_number] => 048823 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/048823
Single driving system for tape loading and reel mode conversion of VCR May 11, 1987 Issued
Array ( [id] => 2526516 [patent_doc_number] => 04855856 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-08-08 [patent_title] => 'Cleaning device for vhs video casette players' [patent_app_type] => 1 [patent_app_number] => 7/048748 [patent_app_country] => US [patent_app_date] => 1987-05-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 964 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/855/04855856.pdf [firstpage_image] =>[orig_patent_app_number] => 048748 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/048748
Cleaning device for vhs video casette players May 10, 1987 Issued
07/047853 DISK DRIVE APPARATUS May 7, 1987 Abandoned
Array ( [id] => 2564198 [patent_doc_number] => 04961122 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-10-02 [patent_title] => 'Hydrodynamic grooved bearing device' [patent_app_type] => 1 [patent_app_number] => 7/046563 [patent_app_country] => US [patent_app_date] => 1987-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 14 [patent_no_of_words] => 4707 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 33 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/961/04961122.pdf [firstpage_image] =>[orig_patent_app_number] => 046563 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/046563
Hydrodynamic grooved bearing device May 5, 1987 Issued
Array ( [id] => 2562700 [patent_doc_number] => 04809102 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-02-28 [patent_title] => 'Disk file with air filtration system' [patent_app_type] => 1 [patent_app_number] => 7/043508 [patent_app_country] => US [patent_app_date] => 1987-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 3907 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 308 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/809/04809102.pdf [firstpage_image] =>[orig_patent_app_number] => 043508 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/043508
Disk file with air filtration system Apr 27, 1987 Issued
Array ( [id] => 2509692 [patent_doc_number] => 04799121 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-01-17 [patent_title] => 'Disk cartridge having shutters moved by a rack and pinion apparatus' [patent_app_type] => 1 [patent_app_number] => 7/042733 [patent_app_country] => US [patent_app_date] => 1987-04-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 2480 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/799/04799121.pdf [firstpage_image] =>[orig_patent_app_number] => 042733 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/042733
Disk cartridge having shutters moved by a rack and pinion apparatus Apr 26, 1987 Issued
Array ( [id] => 2561459 [patent_doc_number] => 04803584 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-02-07 [patent_title] => 'Disk cartridge with cleaning sheet of non-woven fabric' [patent_app_type] => 1 [patent_app_number] => 7/042340 [patent_app_country] => US [patent_app_date] => 1987-04-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 6405 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/803/04803584.pdf [firstpage_image] =>[orig_patent_app_number] => 042340 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/042340
Disk cartridge with cleaning sheet of non-woven fabric Apr 23, 1987 Issued
07/042250 THIN-FILM MAGNETIC HEAD Apr 23, 1987 Abandoned
Array ( [id] => 2429536 [patent_doc_number] => 04780776 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-10-25 [patent_title] => 'Air flow system in a data recording disk file' [patent_app_type] => 1 [patent_app_number] => 7/040660 [patent_app_country] => US [patent_app_date] => 1987-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2774 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/780/04780776.pdf [firstpage_image] =>[orig_patent_app_number] => 040660 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/040660
Air flow system in a data recording disk file Apr 19, 1987 Issued
Array ( [id] => 2431071 [patent_doc_number] => 04763218 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-08-09 [patent_title] => 'Video tape cassette with internal tape erasing means' [patent_app_type] => 1 [patent_app_number] => 7/040226 [patent_app_country] => US [patent_app_date] => 1987-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 11 [patent_no_of_words] => 4085 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/763/04763218.pdf [firstpage_image] =>[orig_patent_app_number] => 040226 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/040226
Video tape cassette with internal tape erasing means Apr 19, 1987 Issued
Array ( [id] => 2516031 [patent_doc_number] => 04796135 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-01-03 [patent_title] => 'Two layered tape pad for a magnetic tape cassette' [patent_app_type] => 1 [patent_app_number] => 7/039418 [patent_app_country] => US [patent_app_date] => 1987-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1132 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/796/04796135.pdf [firstpage_image] =>[orig_patent_app_number] => 039418 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/039418
Two layered tape pad for a magnetic tape cassette Apr 16, 1987 Issued
Array ( [id] => 2561438 [patent_doc_number] => 04803583 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-02-07 [patent_title] => 'Cleaning cassette with an internal drive motor' [patent_app_type] => 1 [patent_app_number] => 7/039558 [patent_app_country] => US [patent_app_date] => 1987-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3311 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 116 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/803/04803583.pdf [firstpage_image] =>[orig_patent_app_number] => 039558 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/039558
Cleaning cassette with an internal drive motor Apr 15, 1987 Issued
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