Search

Daniel D. Chang

Examiner (ID: 18728, Phone: (571)272-1801 , Office: P/2844 )

Most Active Art Unit
2844
Art Unit(s)
2844, 2819, 0
Total Applications
2520
Issued Applications
2308
Pending Applications
99
Abandoned Applications
143

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2411217 [patent_doc_number] => 04787689 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1988-11-29 [patent_title] => 'Devices having low loss curved or tapered optical waveguides' [patent_app_type] => 1 [patent_app_number] => 6/730672 [patent_app_country] => US [patent_app_date] => 1985-05-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 2705 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/787/04787689.pdf [firstpage_image] =>[orig_patent_app_number] => 730672 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/730672
Devices having low loss curved or tapered optical waveguides May 2, 1985 Issued
Array ( [id] => 2638410 [patent_doc_number] => 04952845 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-08-28 [patent_title] => 'DC/AC converter for igniting and operating a discharge lamp' [patent_app_type] => 1 [patent_app_number] => 6/712289 [patent_app_country] => US [patent_app_date] => 1985-03-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2963 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/952/04952845.pdf [firstpage_image] =>[orig_patent_app_number] => 712289 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/712289
DC/AC converter for igniting and operating a discharge lamp Mar 14, 1985 Issued
06/703027 POWER-LIMITED CEILING LIGHTING SYSTEM Feb 18, 1985 Abandoned
Array ( [id] => 2132500 [patent_doc_number] => 04543535 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1985-09-24 [patent_title] => 'Distributed power amplifier' [patent_app_type] => 1 [patent_app_number] => 6/600871 [patent_app_country] => US [patent_app_date] => 1984-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 7928 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/543/04543535.pdf [firstpage_image] =>[orig_patent_app_number] => 600871 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/600871
Distributed power amplifier Apr 15, 1984 Issued
Array ( [id] => 2733888 [patent_doc_number] => 05022742 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-06-11 [patent_title] => 'Fast shutter for protection from electromagnetic radiation' [patent_app_type] => 1 [patent_app_number] => 6/538617 [patent_app_country] => US [patent_app_date] => 1983-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2211 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/022/05022742.pdf [firstpage_image] =>[orig_patent_app_number] => 538617 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/538617
Fast shutter for protection from electromagnetic radiation Oct 2, 1983 Issued
06/494841 RAPID START FLUORESCENT LAMP WITH A BIMETAL ELECTRODE DISCONNECT SWITCH May 15, 1983 Abandoned
Array ( [id] => 2059424 [patent_doc_number] => 04455509 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-06-19 [patent_title] => 'Intrinsically safe lighting system' [patent_app_type] => 1 [patent_app_number] => 6/494620 [patent_app_country] => US [patent_app_date] => 1983-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 4 [patent_no_of_words] => 4106 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 187 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/455/04455509.pdf [firstpage_image] =>[orig_patent_app_number] => 494620 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/494620
Intrinsically safe lighting system May 15, 1983 Issued
Array ( [id] => 2115916 [patent_doc_number] => 04485336 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-11-27 [patent_title] => 'Electronic flash device' [patent_app_type] => 1 [patent_app_number] => 6/470954 [patent_app_country] => US [patent_app_date] => 1983-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 13 [patent_no_of_words] => 15579 [patent_no_of_claims] => 24 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 118 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/485/04485336.pdf [firstpage_image] =>[orig_patent_app_number] => 470954 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/470954
Electronic flash device Feb 28, 1983 Issued
Array ( [id] => 2111324 [patent_doc_number] => 04467244 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-08-21 [patent_title] => 'Monitor bracket' [patent_app_type] => 1 [patent_app_number] => 6/471123 [patent_app_country] => US [patent_app_date] => 1983-03-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1838 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 48 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/467/04467244.pdf [firstpage_image] =>[orig_patent_app_number] => 471123 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/471123
Monitor bracket Feb 28, 1983 Issued
Array ( [id] => 2121949 [patent_doc_number] => 04449074 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-05-15 [patent_title] => 'Excess light turn-off circuit' [patent_app_type] => 1 [patent_app_number] => 6/468870 [patent_app_country] => US [patent_app_date] => 1983-02-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 7296 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 199 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/449/04449074.pdf [firstpage_image] =>[orig_patent_app_number] => 468870 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/468870
Excess light turn-off circuit Feb 22, 1983 Issued
Array ( [id] => 2111331 [patent_doc_number] => 04467245 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-08-21 [patent_title] => 'Current-limited spark gap for transient protection' [patent_app_type] => 1 [patent_app_number] => 6/468000 [patent_app_country] => US [patent_app_date] => 1983-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1738 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/467/04467245.pdf [firstpage_image] =>[orig_patent_app_number] => 468000 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/468000
Current-limited spark gap for transient protection Feb 17, 1983 Issued
Array ( [id] => 2065078 [patent_doc_number] => 04453110 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-06-05 [patent_title] => 'Strobo flash apparatus' [patent_app_type] => 1 [patent_app_number] => 6/465455 [patent_app_country] => US [patent_app_date] => 1983-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 1812 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/453/04453110.pdf [firstpage_image] =>[orig_patent_app_number] => 465455 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/465455
Strobo flash apparatus Feb 9, 1983 Issued
Array ( [id] => 2080042 [patent_doc_number] => 04461981 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-07-24 [patent_title] => 'Low pressure inert gas discharge device' [patent_app_type] => 1 [patent_app_number] => 6/451230 [patent_app_country] => US [patent_app_date] => 1982-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 5 [patent_no_of_words] => 4244 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 112 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/461/04461981.pdf [firstpage_image] =>[orig_patent_app_number] => 451230 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/451230
Low pressure inert gas discharge device Dec 19, 1982 Issued
Array ( [id] => 2103390 [patent_doc_number] => 04469990 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-09-04 [patent_title] => 'Electronic flash device' [patent_app_type] => 1 [patent_app_number] => 6/449633 [patent_app_country] => US [patent_app_date] => 1982-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1741 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/469/04469990.pdf [firstpage_image] =>[orig_patent_app_number] => 449633 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/449633
Electronic flash device Dec 13, 1982 Issued
Array ( [id] => 2119092 [patent_doc_number] => 04468592 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-08-28 [patent_title] => 'Strobo apparatus' [patent_app_type] => 1 [patent_app_number] => 6/448440 [patent_app_country] => US [patent_app_date] => 1982-12-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 1912 [patent_no_of_claims] => 3 [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/04/468/04468592.pdf [firstpage_image] =>[orig_patent_app_number] => 448440 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/448440
Strobo apparatus Dec 9, 1982 Issued
Array ( [id] => 2059352 [patent_doc_number] => 04455504 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-06-19 [patent_title] => 'Liquid cooled anode x-ray tubes' [patent_app_type] => 1 [patent_app_number] => 6/445212 [patent_app_country] => US [patent_app_date] => 1982-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 16 [patent_no_of_words] => 12168 [patent_no_of_claims] => 60 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/455/04455504.pdf [firstpage_image] =>[orig_patent_app_number] => 445212 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/445212
Liquid cooled anode x-ray tubes Nov 28, 1982 Issued
Array ( [id] => 2068347 [patent_doc_number] => 04441052 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-04-03 [patent_title] => 'Degaussing circuit for television receiver having switched mode power supply' [patent_app_type] => 1 [patent_app_number] => 6/444542 [patent_app_country] => US [patent_app_date] => 1982-11-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2423 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/441/04441052.pdf [firstpage_image] =>[orig_patent_app_number] => 444542 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/444542
Degaussing circuit for television receiver having switched mode power supply Nov 25, 1982 Issued
06/444209 SERIES INVERTER FOR CAPACITOR CHARGING Nov 23, 1982 Abandoned
06/444037 TEST FLASH DEVICE FOR FLASH DISCHARGER Nov 22, 1982 Abandoned
Array ( [id] => 2117459 [patent_doc_number] => 04437043 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-03-13 [patent_title] => 'Lighting control for high intensity discharge lamp' [patent_app_type] => 1 [patent_app_number] => 6/443243 [patent_app_country] => US [patent_app_date] => 1982-11-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 6 [patent_no_of_words] => 3979 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/437/04437043.pdf [firstpage_image] =>[orig_patent_app_number] => 443243 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/443243
Lighting control for high intensity discharge lamp Nov 21, 1982 Issued
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