Search

Fan S. Tsang

Supervisory Patent Examiner (ID: 5500, Phone: (571)272-7547 , Office: P/2653 )

Most Active Art Unit
2601
Art Unit(s)
2614, 2601, 2742, 2653, 2694, 2748, 2645, 2746, 2787
Total Applications
480
Issued Applications
302
Pending Applications
81
Abandoned Applications
113

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 3567987 [patent_doc_number] => 05544231 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-08-06 [patent_title] => 'Conversation recording/playback method in a key phone system' [patent_app_type] => 1 [patent_app_number] => 8/233417 [patent_app_country] => US [patent_app_date] => 1994-04-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 4070 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/544/05544231.pdf [firstpage_image] =>[orig_patent_app_number] => 233417 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/233417
Conversation recording/playback method in a key phone system Apr 27, 1994 Issued
Array ( [id] => 3526316 [patent_doc_number] => 05487103 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-01-23 [patent_title] => 'Enhanced wide area audio response network' [patent_app_type] => 1 [patent_app_number] => 8/226560 [patent_app_country] => US [patent_app_date] => 1994-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 8148 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/487/05487103.pdf [firstpage_image] =>[orig_patent_app_number] => 226560 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/226560
Enhanced wide area audio response network Apr 11, 1994 Issued
Array ( [id] => 3554774 [patent_doc_number] => 05555288 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-09-10 [patent_title] => 'Voice processing system with a configurable telephone line interface' [patent_app_type] => 1 [patent_app_number] => 8/227307 [patent_app_country] => US [patent_app_date] => 1994-04-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 11724 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/555/05555288.pdf [firstpage_image] =>[orig_patent_app_number] => 227307 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/227307
Voice processing system with a configurable telephone line interface Apr 11, 1994 Issued
Array ( [id] => 3496466 [patent_doc_number] => 05426691 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-06-20 [patent_title] => 'Method and apparatus for detecting a prescribed audio frequency actuating signal applied on to a telecommunication line' [patent_app_type] => 1 [patent_app_number] => 8/221829 [patent_app_country] => US [patent_app_date] => 1994-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 10 [patent_no_of_words] => 5063 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 380 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/426/05426691.pdf [firstpage_image] =>[orig_patent_app_number] => 221829 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/221829
Method and apparatus for detecting a prescribed audio frequency actuating signal applied on to a telecommunication line Mar 31, 1994 Issued
Array ( [id] => 3132441 [patent_doc_number] => 05381466 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-01-10 [patent_title] => 'Network systems' [patent_app_type] => 1 [patent_app_number] => 8/219750 [patent_app_country] => US [patent_app_date] => 1994-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 3037 [patent_no_of_claims] => 38 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/381/05381466.pdf [firstpage_image] =>[orig_patent_app_number] => 219750 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/219750
Network systems Mar 28, 1994 Issued
Array ( [id] => 3740909 [patent_doc_number] => 05703935 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1997-12-30 [patent_title] => 'Automated telephone operator services' [patent_app_type] => 1 [patent_app_number] => 8/219577 [patent_app_country] => US [patent_app_date] => 1994-03-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 15 [patent_figures_cnt] => 15 [patent_no_of_words] => 9972 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/703/05703935.pdf [firstpage_image] =>[orig_patent_app_number] => 219577 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/219577
Automated telephone operator services Mar 28, 1994 Issued
Array ( [id] => 3453194 [patent_doc_number] => 05430792 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-07-04 [patent_title] => 'Automated telephone calling system' [patent_app_type] => 1 [patent_app_number] => 8/218869 [patent_app_country] => US [patent_app_date] => 1994-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 4 [patent_no_of_words] => 5229 [patent_no_of_claims] => 57 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 109 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/430/05430792.pdf [firstpage_image] =>[orig_patent_app_number] => 218869 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/218869
Automated telephone calling system Mar 27, 1994 Issued
Array ( [id] => 3574579 [patent_doc_number] => 05526423 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-06-11 [patent_title] => 'Communication apparatus and method with service execution according to dial number' [patent_app_type] => 1 [patent_app_number] => 8/215672 [patent_app_country] => US [patent_app_date] => 1994-03-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 8278 [patent_no_of_claims] => 46 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 63 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/526/05526423.pdf [firstpage_image] =>[orig_patent_app_number] => 215672 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/215672
Communication apparatus and method with service execution according to dial number Mar 21, 1994 Issued
Array ( [id] => 3423074 [patent_doc_number] => 05412712 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-05-02 [patent_title] => 'Multiple language capability in an interactive system' [patent_app_type] => 1 [patent_app_number] => 8/215167 [patent_app_country] => US [patent_app_date] => 1994-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 2924 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 122 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/412/05412712.pdf [firstpage_image] =>[orig_patent_app_number] => 215167 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/215167
Multiple language capability in an interactive system Mar 20, 1994 Issued
Array ( [id] => 3574335 [patent_doc_number] => 05526407 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-06-11 [patent_title] => 'Method and apparatus for managing information' [patent_app_type] => 1 [patent_app_number] => 8/210318 [patent_app_country] => US [patent_app_date] => 1994-03-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 23 [patent_no_of_words] => 12341 [patent_no_of_claims] => 57 [patent_no_of_ind_claims] => 9 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/526/05526407.pdf [firstpage_image] =>[orig_patent_app_number] => 210318 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/210318
Method and apparatus for managing information Mar 16, 1994 Issued
Array ( [id] => 3562444 [patent_doc_number] => 05572576 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-11-05 [patent_title] => 'Telephone answering device linking displayed data with recorded audio message' [patent_app_type] => 1 [patent_app_number] => 8/188200 [patent_app_country] => US [patent_app_date] => 1994-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 20 [patent_no_of_words] => 7073 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 12 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/572/05572576.pdf [firstpage_image] =>[orig_patent_app_number] => 188200 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/188200
Telephone answering device linking displayed data with recorded audio message Mar 14, 1994 Issued
08/197969 MULTI-USER TELEPHONE LINE Feb 16, 1994 Abandoned
Array ( [id] => 3599110 [patent_doc_number] => 05497413 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-03-05 [patent_title] => 'Telephone system with message recording function' [patent_app_type] => 1 [patent_app_number] => 8/181237 [patent_app_country] => US [patent_app_date] => 1994-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 6045 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 279 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/497/05497413.pdf [firstpage_image] =>[orig_patent_app_number] => 181237 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/181237
Telephone system with message recording function Jan 12, 1994 Issued
Array ( [id] => 3116228 [patent_doc_number] => 05448627 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-09-05 [patent_title] => 'Telephone apparatus with call forwarding arrangement' [patent_app_type] => 1 [patent_app_number] => 8/177824 [patent_app_country] => US [patent_app_date] => 1994-01-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 5182 [patent_no_of_claims] => 6 [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/05/448/05448627.pdf [firstpage_image] =>[orig_patent_app_number] => 177824 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/177824
Telephone apparatus with call forwarding arrangement Jan 4, 1994 Issued
Array ( [id] => 3121595 [patent_doc_number] => 05465290 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-11-07 [patent_title] => 'Confirming identity of telephone caller' [patent_app_type] => 1 [patent_app_number] => 8/168912 [patent_app_country] => US [patent_app_date] => 1993-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 9 [patent_no_of_words] => 5039 [patent_no_of_claims] => 48 [patent_no_of_ind_claims] => 11 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/465/05465290.pdf [firstpage_image] =>[orig_patent_app_number] => 168912 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/168912
Confirming identity of telephone caller Dec 15, 1993 Issued
Array ( [id] => 3885167 [patent_doc_number] => 05838772 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-17 [patent_title] => 'Voice services equipment' [patent_app_type] => 1 [patent_app_number] => 8/157076 [patent_app_country] => US [patent_app_date] => 1993-12-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 5059 [patent_no_of_claims] => 23 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 244 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/838/05838772.pdf [firstpage_image] =>[orig_patent_app_number] => 157076 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/157076
Voice services equipment Dec 2, 1993 Issued
Array ( [id] => 3116212 [patent_doc_number] => 05448626 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-09-05 [patent_title] => 'Facsimile mail system having means for storing facsimile signals and telephone signals' [patent_app_type] => 1 [patent_app_number] => 8/158369 [patent_app_country] => US [patent_app_date] => 1993-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 17 [patent_figures_cnt] => 18 [patent_no_of_words] => 8767 [patent_no_of_claims] => 30 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/448/05448626.pdf [firstpage_image] =>[orig_patent_app_number] => 158369 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/158369
Facsimile mail system having means for storing facsimile signals and telephone signals Nov 28, 1993 Issued
08/158006 EXCHANGE OF INFORMATION BETWEEN INTERCONNECTED VOICEMAIL SYSTEMS Nov 25, 1993 Abandoned
Array ( [id] => 3131194 [patent_doc_number] => 05450476 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1995-09-12 [patent_title] => 'Method and system for providing nonpublished number messaging service' [patent_app_type] => 1 [patent_app_number] => 8/156117 [patent_app_country] => US [patent_app_date] => 1993-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2683 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/450/05450476.pdf [firstpage_image] =>[orig_patent_app_number] => 156117 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/156117
Method and system for providing nonpublished number messaging service Nov 21, 1993 Issued
Array ( [id] => 3528475 [patent_doc_number] => 05506890 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1996-04-09 [patent_title] => 'Method and apparatus for group-specific calling' [patent_app_type] => 1 [patent_app_number] => 8/153526 [patent_app_country] => US [patent_app_date] => 1993-11-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 6160 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/506/05506890.pdf [firstpage_image] =>[orig_patent_app_number] => 153526 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/153526
Method and apparatus for group-specific calling Nov 15, 1993 Issued
Menu