Search

Wellington Chin

Supervisory Patent Examiner (ID: 8954, Phone: (571)272-3134 , Office: P/2600 )

Most Active Art Unit
2603
Art Unit(s)
2607, 2600, 2603, 2616, 2733, 2664
Total Applications
918
Issued Applications
839
Pending Applications
11
Abandoned Applications
67

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2283060 [patent_doc_number] => 04611325 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-09-09 [patent_title] => 'DTMF receiver sense and control arrangement' [patent_app_type] => 1 [patent_app_number] => 6/685198 [patent_app_country] => US [patent_app_date] => 1984-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3826 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 362 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/611/04611325.pdf [firstpage_image] =>[orig_patent_app_number] => 685198 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/685198
DTMF receiver sense and control arrangement Dec 20, 1984 Issued
Array ( [id] => 2223506 [patent_doc_number] => 04621354 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-11-04 [patent_title] => 'DTMF receiver sense and control maintenance arrangement' [patent_app_type] => 1 [patent_app_number] => 6/685197 [patent_app_country] => US [patent_app_date] => 1984-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3928 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 466 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/621/04621354.pdf [firstpage_image] =>[orig_patent_app_number] => 685197 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/685197
DTMF receiver sense and control maintenance arrangement Dec 20, 1984 Issued
Array ( [id] => 2298115 [patent_doc_number] => 04639910 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-01-27 [patent_title] => 'Apparatus for establishing communication paths' [patent_app_type] => 1 [patent_app_number] => 6/682228 [patent_app_country] => US [patent_app_date] => 1984-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 2993 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/639/04639910.pdf [firstpage_image] =>[orig_patent_app_number] => 682228 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/682228
Apparatus for establishing communication paths Dec 13, 1984 Issued
Array ( [id] => 2317492 [patent_doc_number] => 04638474 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-01-20 [patent_title] => 'Communication system' [patent_app_type] => 1 [patent_app_number] => 6/682038 [patent_app_country] => US [patent_app_date] => 1984-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2510 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 96 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/638/04638474.pdf [firstpage_image] =>[orig_patent_app_number] => 682038 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/682038
Communication system Dec 13, 1984 Issued
Array ( [id] => 2328727 [patent_doc_number] => 04670874 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-06-02 [patent_title] => 'Communications system for transmitting and receiving data and voice signals simultaneously through 2-wire signal lines' [patent_app_type] => 1 [patent_app_number] => 6/681288 [patent_app_country] => US [patent_app_date] => 1984-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3903 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/670/04670874.pdf [firstpage_image] =>[orig_patent_app_number] => 681288 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/681288
Communications system for transmitting and receiving data and voice signals simultaneously through 2-wire signal lines Dec 12, 1984 Issued
Array ( [id] => 2252387 [patent_doc_number] => 04633459 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-12-30 [patent_title] => 'Repeater for carrier subscriber communication system' [patent_app_type] => 1 [patent_app_number] => 6/680207 [patent_app_country] => US [patent_app_date] => 1984-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 4404 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/633/04633459.pdf [firstpage_image] =>[orig_patent_app_number] => 680207 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/680207
Repeater for carrier subscriber communication system Dec 9, 1984 Issued
Array ( [id] => 2364102 [patent_doc_number] => 04658395 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-04-14 [patent_title] => 'Method for locating faults in a carrier subscriber communication system' [patent_app_type] => 1 [patent_app_number] => 6/680206 [patent_app_country] => US [patent_app_date] => 1984-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 4563 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 513 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/658/04658395.pdf [firstpage_image] =>[orig_patent_app_number] => 680206 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/680206
Method for locating faults in a carrier subscriber communication system Dec 9, 1984 Issued
Array ( [id] => 2318266 [patent_doc_number] => 04646287 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-02-24 [patent_title] => 'Idle period signalling in a packet switching system' [patent_app_type] => 1 [patent_app_number] => 6/679456 [patent_app_country] => US [patent_app_date] => 1984-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 6427 [patent_no_of_claims] => 40 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/646/04646287.pdf [firstpage_image] =>[orig_patent_app_number] => 679456 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/679456
Idle period signalling in a packet switching system Dec 6, 1984 Issued
Array ( [id] => 2353217 [patent_doc_number] => 04649534 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-03-10 [patent_title] => 'Telecomputer package switching system' [patent_app_type] => 1 [patent_app_number] => 6/676798 [patent_app_country] => US [patent_app_date] => 1984-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 3572 [patent_no_of_claims] => 8 [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/04/649/04649534.pdf [firstpage_image] =>[orig_patent_app_number] => 676798 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/676798
Telecomputer package switching system Nov 29, 1984 Issued
Array ( [id] => 2252399 [patent_doc_number] => 04633460 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-12-30 [patent_title] => 'Time division switching system' [patent_app_type] => 1 [patent_app_number] => 6/676406 [patent_app_country] => US [patent_app_date] => 1984-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 3483 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 299 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/633/04633460.pdf [firstpage_image] =>[orig_patent_app_number] => 676406 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/676406
Time division switching system Nov 28, 1984 Issued
Array ( [id] => 2352128 [patent_doc_number] => 04656627 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-04-07 [patent_title] => 'Multiphase packet switching system' [patent_app_type] => 1 [patent_app_number] => 6/674049 [patent_app_country] => US [patent_app_date] => 1984-11-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 14 [patent_no_of_words] => 12926 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 13 [patent_words_short_claim] => 152 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/656/04656627.pdf [firstpage_image] =>[orig_patent_app_number] => 674049 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/674049
Multiphase packet switching system Nov 20, 1984 Issued
Array ( [id] => 2266327 [patent_doc_number] => 04598399 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-07-01 [patent_title] => 'Multichannel multisite signal protection channel switching apparatus' [patent_app_type] => 1 [patent_app_number] => 6/673638 [patent_app_country] => US [patent_app_date] => 1984-11-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 4851 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 227 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/598/04598399.pdf [firstpage_image] =>[orig_patent_app_number] => 673638 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/673638
Multichannel multisite signal protection channel switching apparatus Nov 19, 1984 Issued
Array ( [id] => 2388913 [patent_doc_number] => 04752925 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-06-21 [patent_title] => 'Two-hop collocated satellite communications system' [patent_app_type] => 1 [patent_app_number] => 6/670085 [patent_app_country] => US [patent_app_date] => 1984-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 10 [patent_no_of_words] => 6103 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 105 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/752/04752925.pdf [firstpage_image] =>[orig_patent_app_number] => 670085 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/670085
Two-hop collocated satellite communications system Nov 12, 1984 Issued
Array ( [id] => 2283046 [patent_doc_number] => 04611324 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-09-09 [patent_title] => 'Method of controlling a supervisory arrangement in a digital transmission system' [patent_app_type] => 1 [patent_app_number] => 6/669279 [patent_app_country] => US [patent_app_date] => 1984-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 3775 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 507 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/611/04611324.pdf [firstpage_image] =>[orig_patent_app_number] => 669279 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/669279
Method of controlling a supervisory arrangement in a digital transmission system Nov 6, 1984 Issued
Array ( [id] => 2423794 [patent_doc_number] => 04736365 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-04-05 [patent_title] => 'Method and apparatus for controlling access to an asynchronous communication network' [patent_app_type] => 1 [patent_app_number] => 6/665416 [patent_app_country] => US [patent_app_date] => 1984-10-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 15 [patent_no_of_words] => 19921 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 180 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/736/04736365.pdf [firstpage_image] =>[orig_patent_app_number] => 665416 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/665416
Method and apparatus for controlling access to an asynchronous communication network Oct 25, 1984 Issued
Array ( [id] => 2223575 [patent_doc_number] => 04621359 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-11-04 [patent_title] => 'Load balancing for packet switching nodes' [patent_app_type] => 1 [patent_app_number] => 6/661995 [patent_app_country] => US [patent_app_date] => 1984-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 11 [patent_no_of_words] => 4658 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/621/04621359.pdf [firstpage_image] =>[orig_patent_app_number] => 661995 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/661995
Load balancing for packet switching nodes Oct 17, 1984 Issued
Array ( [id] => 2274641 [patent_doc_number] => 04630258 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1986-12-16 [patent_title] => 'Packet switched multiport memory NXM switch node and processing method' [patent_app_type] => 1 [patent_app_number] => 6/661996 [patent_app_country] => US [patent_app_date] => 1984-10-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 25 [patent_no_of_words] => 5929 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/630/04630258.pdf [firstpage_image] =>[orig_patent_app_number] => 661996 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/661996
Packet switched multiport memory NXM switch node and processing method Oct 17, 1984 Issued
Array ( [id] => 2350695 [patent_doc_number] => 04641326 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-02-03 [patent_title] => 'Counter circuit operable in synchronism with frame or digital data signal' [patent_app_type] => 1 [patent_app_number] => 6/659576 [patent_app_country] => US [patent_app_date] => 1984-10-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 4757 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 216 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/641/04641326.pdf [firstpage_image] =>[orig_patent_app_number] => 659576 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/659576
Counter circuit operable in synchronism with frame or digital data signal Oct 9, 1984 Issued
Array ( [id] => 2350323 [patent_doc_number] => 04641299 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-02-03 [patent_title] => 'Mechanized loop testing using a local metallic access port' [patent_app_type] => 1 [patent_app_number] => 6/652640 [patent_app_country] => US [patent_app_date] => 1984-09-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 5041 [patent_no_of_claims] => 14 [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/04/641/04641299.pdf [firstpage_image] =>[orig_patent_app_number] => 652640 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/652640
Mechanized loop testing using a local metallic access port Sep 20, 1984 Issued
Array ( [id] => 2298135 [patent_doc_number] => 04639912 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1987-01-27 [patent_title] => 'Signal transmission apparatus' [patent_app_type] => 1 [patent_app_number] => 6/652626 [patent_app_country] => US [patent_app_date] => 1984-09-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 3538 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 252 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/639/04639912.pdf [firstpage_image] =>[orig_patent_app_number] => 652626 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/652626
Signal transmission apparatus Sep 19, 1984 Issued
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