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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] => 2707346 [patent_doc_number] => 04991211 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-02-05 [patent_title] => 'Integrated driving system for signal-processing devices' [patent_app_type] => 1 [patent_app_number] => 7/399405 [patent_app_country] => US [patent_app_date] => 1989-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 18 [patent_no_of_words] => 6091 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/991/04991211.pdf [firstpage_image] =>[orig_patent_app_number] => 399405 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/399405
Integrated driving system for signal-processing devices Aug 24, 1989 Issued
Array ( [id] => 2838820 [patent_doc_number] => 05099366 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-24 [patent_title] => 'Low frequency restorer' [patent_app_type] => 1 [patent_app_number] => 7/399666 [patent_app_country] => US [patent_app_date] => 1989-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 9 [patent_no_of_words] => 3327 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/099/05099366.pdf [firstpage_image] =>[orig_patent_app_number] => 399666 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/399666
Low frequency restorer Aug 24, 1989 Issued
Array ( [id] => 2670726 [patent_doc_number] => 04947277 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-08-07 [patent_title] => 'System for checking the opening and closing function of cassette cover' [patent_app_type] => 1 [patent_app_number] => 7/398551 [patent_app_country] => US [patent_app_date] => 1989-08-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3014 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/947/04947277.pdf [firstpage_image] =>[orig_patent_app_number] => 398551 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/398551
System for checking the opening and closing function of cassette cover Aug 24, 1989 Issued
07/396273 RECORDING PROHIBITION REGION SETTING METHOD FOR VIDEO TAPE Aug 20, 1989 Abandoned
Array ( [id] => 2740632 [patent_doc_number] => 05032934 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-07-16 [patent_title] => 'Magnetic disc apparatus with a cosine equalizer and specific gap length head' [patent_app_type] => 1 [patent_app_number] => 7/395736 [patent_app_country] => US [patent_app_date] => 1989-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 12 [patent_no_of_words] => 2529 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/032/05032934.pdf [firstpage_image] =>[orig_patent_app_number] => 395736 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/395736
Magnetic disc apparatus with a cosine equalizer and specific gap length head Aug 17, 1989 Issued
Array ( [id] => 2858112 [patent_doc_number] => 05105314 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-04-14 [patent_title] => 'Multiple audio signal processing system' [patent_app_type] => 1 [patent_app_number] => 7/395653 [patent_app_country] => US [patent_app_date] => 1989-08-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3044 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/105/05105314.pdf [firstpage_image] =>[orig_patent_app_number] => 395653 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/395653
Multiple audio signal processing system Aug 17, 1989 Issued
Array ( [id] => 2862223 [patent_doc_number] => 05126888 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-06-30 [patent_title] => 'System for recording and detecting marking signals' [patent_app_type] => 1 [patent_app_number] => 7/395127 [patent_app_country] => US [patent_app_date] => 1989-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 10 [patent_no_of_words] => 8757 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/126/05126888.pdf [firstpage_image] =>[orig_patent_app_number] => 395127 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/395127
System for recording and detecting marking signals Aug 16, 1989 Issued
Array ( [id] => 2757802 [patent_doc_number] => 05021899 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-06-04 [patent_title] => 'Tape loading apparatus for cassette tape player' [patent_app_type] => 1 [patent_app_number] => 7/394740 [patent_app_country] => US [patent_app_date] => 1989-08-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 4210 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/021/05021899.pdf [firstpage_image] =>[orig_patent_app_number] => 394740 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/394740
Tape loading apparatus for cassette tape player Aug 15, 1989 Issued
Array ( [id] => 2595869 [patent_doc_number] => 04964001 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-10-16 [patent_title] => 'Magnetic recording/reproducing apparatus for selective use with tape cassettes of two different sizes' [patent_app_type] => 1 [patent_app_number] => 7/392858 [patent_app_country] => US [patent_app_date] => 1989-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 23 [patent_no_of_words] => 11336 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 290 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/964/04964001.pdf [firstpage_image] =>[orig_patent_app_number] => 392858 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/392858
Magnetic recording/reproducing apparatus for selective use with tape cassettes of two different sizes Aug 10, 1989 Issued
Array ( [id] => 2717564 [patent_doc_number] => 05041936 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-08-20 [patent_title] => 'Magnetic recording transducer assembly with two gaps of different length' [patent_app_type] => 1 [patent_app_number] => 7/390950 [patent_app_country] => US [patent_app_date] => 1989-08-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 3139 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 438 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/041/05041936.pdf [firstpage_image] =>[orig_patent_app_number] => 390950 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/390950
Magnetic recording transducer assembly with two gaps of different length Aug 8, 1989 Issued
Array ( [id] => 2838802 [patent_doc_number] => 05099365 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-24 [patent_title] => 'Circuit for simultaneously generating the sounds of both main picture and sub-picture for a picture-in-picture system of VTR' [patent_app_type] => 1 [patent_app_number] => 7/390890 [patent_app_country] => US [patent_app_date] => 1989-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1829 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 276 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/099/05099365.pdf [firstpage_image] =>[orig_patent_app_number] => 390890 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/390890
Circuit for simultaneously generating the sounds of both main picture and sub-picture for a picture-in-picture system of VTR Aug 7, 1989 Issued
Array ( [id] => 2863445 [patent_doc_number] => 05113295 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-05-12 [patent_title] => 'Recording and reproducing apparatus for rewriting data onto a previously recorded medium using a relaying operation' [patent_app_type] => 1 [patent_app_number] => 7/390769 [patent_app_country] => US [patent_app_date] => 1989-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 22 [patent_no_of_words] => 3687 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/113/05113295.pdf [firstpage_image] =>[orig_patent_app_number] => 390769 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/390769
Recording and reproducing apparatus for rewriting data onto a previously recorded medium using a relaying operation Aug 7, 1989 Issued
Array ( [id] => 2702345 [patent_doc_number] => 04996623 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-02-26 [patent_title] => 'Laminated suspension for a negative pressure slider in a data recording disk file' [patent_app_type] => 1 [patent_app_number] => 7/390558 [patent_app_country] => US [patent_app_date] => 1989-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 13 [patent_no_of_words] => 4147 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 287 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/996/04996623.pdf [firstpage_image] =>[orig_patent_app_number] => 390558 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/390558
Laminated suspension for a negative pressure slider in a data recording disk file Aug 6, 1989 Issued
07/390223 METHOD OF DETECTING SECTOR SERVO INFORMATION IN A DISK SYSTEM Aug 6, 1989 Abandoned
Array ( [id] => 2796608 [patent_doc_number] => 05101309 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-03-31 [patent_title] => 'Apparatus for automatically optimizing magnetic recording and playback' [patent_app_type] => 1 [patent_app_number] => 7/390370 [patent_app_country] => US [patent_app_date] => 1989-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 20 [patent_no_of_words] => 6164 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/101/05101309.pdf [firstpage_image] =>[orig_patent_app_number] => 390370 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/390370
Apparatus for automatically optimizing magnetic recording and playback Aug 6, 1989 Issued
Array ( [id] => 2756123 [patent_doc_number] => 05038230 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-08-06 [patent_title] => 'Method of accurately executing read access and magnetic recording/reproducing apparatus therefor' [patent_app_type] => 1 [patent_app_number] => 7/389883 [patent_app_country] => US [patent_app_date] => 1989-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 15 [patent_no_of_words] => 4701 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/038/05038230.pdf [firstpage_image] =>[orig_patent_app_number] => 389883 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/389883
Method of accurately executing read access and magnetic recording/reproducing apparatus therefor Aug 3, 1989 Issued
Array ( [id] => 2880400 [patent_doc_number] => 05091812 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-02-25 [patent_title] => 'Stabilizing apparatus for recording and/or reproducing apparatus of flexible rotary recording medium' [patent_app_type] => 1 [patent_app_number] => 7/388850 [patent_app_country] => US [patent_app_date] => 1989-08-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 2637 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/091/05091812.pdf [firstpage_image] =>[orig_patent_app_number] => 388850 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/388850
Stabilizing apparatus for recording and/or reproducing apparatus of flexible rotary recording medium Aug 2, 1989 Issued
Array ( [id] => 2681049 [patent_doc_number] => 05027236 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-06-25 [patent_title] => 'Magnetic tape cassette apparatus having a cassette catch with spring arms' [patent_app_type] => 1 [patent_app_number] => 7/381568 [patent_app_country] => US [patent_app_date] => 1989-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1795 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/027/05027236.pdf [firstpage_image] =>[orig_patent_app_number] => 381568 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/381568
Magnetic tape cassette apparatus having a cassette catch with spring arms Jul 17, 1989 Issued
07/374978 FAST SCREEN DETECTING DEVICE OF VTR Jul 2, 1989 Abandoned
Array ( [id] => 2742051 [patent_doc_number] => 05051857 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-09-24 [patent_title] => 'Disc cartridge having a slidingly movable shutter' [patent_app_type] => 1 [patent_app_number] => 7/373020 [patent_app_country] => US [patent_app_date] => 1989-06-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 35 [patent_no_of_words] => 4090 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 343 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/051/05051857.pdf [firstpage_image] =>[orig_patent_app_number] => 373020 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/373020
Disc cartridge having a slidingly movable shutter Jun 27, 1989 Issued
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