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] => 3963386 [patent_doc_number] => 05991398 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-23 [patent_title] => 'Telephone terminal apparatus and method' [patent_app_type] => 1 [patent_app_number] => 9/062428 [patent_app_country] => US [patent_app_date] => 1998-04-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 6389 [patent_no_of_claims] => 41 [patent_no_of_ind_claims] => 12 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/991/05991398.pdf [firstpage_image] =>[orig_patent_app_number] => 062428 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/062428
Telephone terminal apparatus and method Apr 16, 1998 Issued
Array ( [id] => 3960023 [patent_doc_number] => 05982856 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-09 [patent_title] => 'Network-based multimedia communications and directory system and method of operation' [patent_app_type] => 1 [patent_app_number] => 9/056732 [patent_app_country] => US [patent_app_date] => 1998-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 14 [patent_no_of_words] => 19717 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/982/05982856.pdf [firstpage_image] =>[orig_patent_app_number] => 056732 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/056732
Network-based multimedia communications and directory system and method of operation Apr 6, 1998 Issued
Array ( [id] => 4161311 [patent_doc_number] => 06064723 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-05-16 [patent_title] => 'Network-based multimedia communications and directory system and method of operation' [patent_app_type] => 1 [patent_app_number] => 9/056674 [patent_app_country] => US [patent_app_date] => 1998-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 14 [patent_no_of_words] => 19717 [patent_no_of_claims] => 8 [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/06/064/06064723.pdf [firstpage_image] =>[orig_patent_app_number] => 056674 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/056674
Network-based multimedia communications and directory system and method of operation Apr 6, 1998 Issued
Array ( [id] => 4098849 [patent_doc_number] => 06026158 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-02-15 [patent_title] => 'Computer telephone system' [patent_app_type] => 1 [patent_app_number] => 9/056507 [patent_app_country] => US [patent_app_date] => 1998-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 76 [patent_figures_cnt] => 111 [patent_no_of_words] => 33999 [patent_no_of_claims] => 27 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/026/06026158.pdf [firstpage_image] =>[orig_patent_app_number] => 056507 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/056507
Computer telephone system Apr 6, 1998 Issued
Array ( [id] => 4157157 [patent_doc_number] => 06031895 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-02-29 [patent_title] => 'Network-based multimedia communications and directory system and method of operation' [patent_app_type] => 1 [patent_app_number] => 9/056673 [patent_app_country] => US [patent_app_date] => 1998-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 14 [patent_no_of_words] => 19717 [patent_no_of_claims] => 5 [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/06/031/06031895.pdf [firstpage_image] =>[orig_patent_app_number] => 056673 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/056673
Network-based multimedia communications and directory system and method of operation Apr 6, 1998 Issued
Array ( [id] => 4048074 [patent_doc_number] => 05943416 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-08-24 [patent_title] => 'Automated survey control routine in a call center environment' [patent_app_type] => 1 [patent_app_number] => 9/024827 [patent_app_country] => US [patent_app_date] => 1998-02-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 4331 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 130 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/943/05943416.pdf [firstpage_image] =>[orig_patent_app_number] => 024827 [rel_patent_id] =>[rel_patent_doc_number] =>)
09/024827
Automated survey control routine in a call center environment Feb 16, 1998 Issued
Array ( [id] => 4019288 [patent_doc_number] => 06005922 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-21 [patent_title] => 'Voice mail system and method of inter-voice mail system communication' [patent_app_type] => 1 [patent_app_number] => 8/966386 [patent_app_country] => US [patent_app_date] => 1997-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 6080 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 129 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/005/06005922.pdf [firstpage_image] =>[orig_patent_app_number] => 966386 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/966386
Voice mail system and method of inter-voice mail system communication Nov 6, 1997 Issued
Array ( [id] => 4233777 [patent_doc_number] => 06088428 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-07-11 [patent_title] => 'Voice controlled messaging system and processing method' [patent_app_type] => 1 [patent_app_number] => 8/955578 [patent_app_country] => US [patent_app_date] => 1997-10-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 26 [patent_no_of_words] => 17578 [patent_no_of_claims] => 49 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 27 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/088/06088428.pdf [firstpage_image] =>[orig_patent_app_number] => 955578 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/955578
Voice controlled messaging system and processing method Oct 21, 1997 Issued
Array ( [id] => 3955501 [patent_doc_number] => 05974118 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-10-26 [patent_title] => 'System for coordinating on-line updates of call flows, functions and voice prompts of a telephony applications' [patent_app_type] => 1 [patent_app_number] => 8/947106 [patent_app_country] => US [patent_app_date] => 1997-10-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2578 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 90 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/974/05974118.pdf [firstpage_image] =>[orig_patent_app_number] => 947106 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/947106
System for coordinating on-line updates of call flows, functions and voice prompts of a telephony applications Oct 7, 1997 Issued
Array ( [id] => 3800283 [patent_doc_number] => 05822406 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-10-13 [patent_title] => 'Switching circuit for automatically routing audio and data signals between a modem, telephone, and I/O devices' [patent_app_type] => 1 [patent_app_number] => 8/938142 [patent_app_country] => US [patent_app_date] => 1997-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 21 [patent_no_of_words] => 5998 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/822/05822406.pdf [firstpage_image] =>[orig_patent_app_number] => 938142 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/938142
Switching circuit for automatically routing audio and data signals between a modem, telephone, and I/O devices Sep 25, 1997 Issued
Array ( [id] => 3964716 [patent_doc_number] => 05999613 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-12-07 [patent_title] => 'Method and system for processing incoming calls during calls-in-progress' [patent_app_type] => 1 [patent_app_number] => 8/937576 [patent_app_country] => US [patent_app_date] => 1997-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2896 [patent_no_of_claims] => 44 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/999/05999613.pdf [firstpage_image] =>[orig_patent_app_number] => 937576 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/937576
Method and system for processing incoming calls during calls-in-progress Sep 24, 1997 Issued
Array ( [id] => 4206449 [patent_doc_number] => 06044134 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-03-28 [patent_title] => 'Messaging system and method' [patent_app_type] => 1 [patent_app_number] => 8/936939 [patent_app_country] => US [patent_app_date] => 1997-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 14 [patent_no_of_words] => 10596 [patent_no_of_claims] => 61 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/044/06044134.pdf [firstpage_image] =>[orig_patent_app_number] => 936939 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/936939
Messaging system and method Sep 22, 1997 Issued
Array ( [id] => 3942209 [patent_doc_number] => 05953396 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-09-14 [patent_title] => 'Television receiver for receiving voice/text message and voice/text messaging method using the same' [patent_app_type] => 1 [patent_app_number] => 8/927286 [patent_app_country] => US [patent_app_date] => 1997-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2416 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 202 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/953/05953396.pdf [firstpage_image] =>[orig_patent_app_number] => 927286 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/927286
Television receiver for receiving voice/text message and voice/text messaging method using the same Sep 10, 1997 Issued
Array ( [id] => 3907435 [patent_doc_number] => 05835572 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-10 [patent_title] => 'Customized, billing controlled call bridging system' [patent_app_type] => 1 [patent_app_number] => 8/915387 [patent_app_country] => US [patent_app_date] => 1997-08-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 5330 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/835/05835572.pdf [firstpage_image] =>[orig_patent_app_number] => 915387 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/915387
Customized, billing controlled call bridging system Aug 19, 1997 Issued
Array ( [id] => 3785675 [patent_doc_number] => 05774525 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-06-30 [patent_title] => 'Method and apparatus utilizing dynamic questioning to provide secure access control' [patent_app_type] => 1 [patent_app_number] => 8/911259 [patent_app_country] => US [patent_app_date] => 1997-08-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 6059 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 110 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/774/05774525.pdf [firstpage_image] =>[orig_patent_app_number] => 911259 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/911259
Method and apparatus utilizing dynamic questioning to provide secure access control Aug 13, 1997 Issued
Array ( [id] => 3894717 [patent_doc_number] => 05805672 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-09-08 [patent_title] => 'Accessory voice operated unit for a cellular telephone' [patent_app_type] => 1 [patent_app_number] => 8/905691 [patent_app_country] => US [patent_app_date] => 1997-08-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2940 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 69 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/805/05805672.pdf [firstpage_image] =>[orig_patent_app_number] => 905691 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/905691
Accessory voice operated unit for a cellular telephone Aug 3, 1997 Issued
Array ( [id] => 3823498 [patent_doc_number] => 05832062 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1998-11-03 [patent_title] => 'Automated voice mail/answering machine greeting system' [patent_app_type] => 1 [patent_app_number] => 8/901444 [patent_app_country] => US [patent_app_date] => 1997-07-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 3399 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 274 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/832/05832062.pdf [firstpage_image] =>[orig_patent_app_number] => 901444 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/901444
Automated voice mail/answering machine greeting system Jul 27, 1997 Issued
Array ( [id] => 3962902 [patent_doc_number] => 05991370 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-23 [patent_title] => 'Voice messaging system and method providing message delivery verification' [patent_app_type] => 1 [patent_app_number] => 8/896595 [patent_app_country] => US [patent_app_date] => 1997-07-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 5235 [patent_no_of_claims] => 26 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 77 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/991/05991370.pdf [firstpage_image] =>[orig_patent_app_number] => 896595 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/896595
Voice messaging system and method providing message delivery verification Jul 17, 1997 Issued
Array ( [id] => 4193989 [patent_doc_number] => 06038310 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 2000-03-14 [patent_title] => 'Service node for a telephony network' [patent_app_type] => 1 [patent_app_number] => 8/776530 [patent_app_country] => US [patent_app_date] => 1997-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 7614 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 154 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/06/038/06038310.pdf [firstpage_image] =>[orig_patent_app_number] => 776530 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/776530
Service node for a telephony network Jun 15, 1997 Issued
Array ( [id] => 3962874 [patent_doc_number] => 05991368 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1999-11-23 [patent_title] => 'Customer information announcement service' [patent_app_type] => 1 [patent_app_number] => 8/869805 [patent_app_country] => US [patent_app_date] => 1997-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 2597 [patent_no_of_claims] => 39 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 147 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/991/05991368.pdf [firstpage_image] =>[orig_patent_app_number] => 869805 [rel_patent_id] =>[rel_patent_doc_number] =>)
08/869805
Customer information announcement service Jun 4, 1997 Issued
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