
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 number | Title of the application | Filing Date | Status |
|---|---|---|---|
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
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[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
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[patent_no_of_ind_claims] => 2
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[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
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[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
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[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
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[patent_no_of_words] => 8767
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[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
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[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
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[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 |