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] => 1961633 [patent_doc_number] => 04358711 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-11-09 [patent_title] => 'Circuit arrangement for starting and operating a gas- and/or vapor discharge lamp' [patent_app_type] => 1 [patent_app_number] => 6/146551 [patent_app_country] => US [patent_app_date] => 1980-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1599 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 20 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/358/04358711.pdf [firstpage_image] =>[orig_patent_app_number] => 146551 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/146551
Circuit arrangement for starting and operating a gas- and/or vapor discharge lamp May 4, 1980 Issued
Array ( [id] => 1936618 [patent_doc_number] => 04325007 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-04-13 [patent_title] => 'Hazard warning circuit' [patent_app_type] => 1 [patent_app_number] => 6/146410 [patent_app_country] => US [patent_app_date] => 1980-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2556 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/325/04325007.pdf [firstpage_image] =>[orig_patent_app_number] => 146410 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/146410
Hazard warning circuit May 4, 1980 Issued
Array ( [id] => 2132077 [patent_doc_number] => 04454452 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1984-06-12 [patent_title] => 'Emergency lighting system' [patent_app_type] => 1 [patent_app_number] => 6/146349 [patent_app_country] => US [patent_app_date] => 1980-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 7 [patent_no_of_words] => 8092 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/454/04454452.pdf [firstpage_image] =>[orig_patent_app_number] => 146349 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/146349
Emergency lighting system May 4, 1980 Issued
Array ( [id] => 1942872 [patent_doc_number] => 04340840 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-07-20 [patent_title] => 'DC Gas discharge display panel with internal memory' [patent_app_type] => 1 [patent_app_number] => 6/142564 [patent_app_country] => US [patent_app_date] => 1980-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3610 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 148 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/340/04340840.pdf [firstpage_image] =>[orig_patent_app_number] => 142564 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/142564
DC Gas discharge display panel with internal memory Apr 20, 1980 Issued
Array ( [id] => 1916472 [patent_doc_number] => 04308488 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-12-29 [patent_title] => 'Plasma jet ignition system' [patent_app_type] => 1 [patent_app_number] => 6/141551 [patent_app_country] => US [patent_app_date] => 1980-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2115 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/308/04308488.pdf [firstpage_image] =>[orig_patent_app_number] => 141551 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/141551
Plasma jet ignition system Apr 17, 1980 Issued
Array ( [id] => 1988742 [patent_doc_number] => 04337408 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-06-29 [patent_title] => 'Plasma jet ignition plug' [patent_app_type] => 1 [patent_app_number] => 6/141695 [patent_app_country] => US [patent_app_date] => 1980-04-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 1698 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/337/04337408.pdf [firstpage_image] =>[orig_patent_app_number] => 141695 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/141695
Plasma jet ignition plug Apr 17, 1980 Issued
Array ( [id] => 1988787 [patent_doc_number] => 04337416 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-06-29 [patent_title] => 'Electric flash apparatus' [patent_app_type] => 1 [patent_app_number] => 6/140880 [patent_app_country] => US [patent_app_date] => 1980-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 8 [patent_no_of_words] => 5301 [patent_no_of_claims] => 25 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 194 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/337/04337416.pdf [firstpage_image] =>[orig_patent_app_number] => 140880 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/140880
Electric flash apparatus Apr 15, 1980 Issued
Array ( [id] => 2046583 [patent_doc_number] => 04404497 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-09-13 [patent_title] => 'Power supplying apparatus' [patent_app_type] => 1 [patent_app_number] => 6/140879 [patent_app_country] => US [patent_app_date] => 1980-04-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 4553 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 258 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/404/04404497.pdf [firstpage_image] =>[orig_patent_app_number] => 140879 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/140879
Power supplying apparatus Apr 15, 1980 Issued
Array ( [id] => 1987675 [patent_doc_number] => 04346330 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-08-24 [patent_title] => 'Laser generated high electron density source' [patent_app_type] => 1 [patent_app_number] => 6/140390 [patent_app_country] => US [patent_app_date] => 1980-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2746 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 7 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/346/04346330.pdf [firstpage_image] =>[orig_patent_app_number] => 140390 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/140390
Laser generated high electron density source Apr 13, 1980 Issued
Array ( [id] => 1956093 [patent_doc_number] => 04317067 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-02-23 [patent_title] => 'Dielectric surface electrical discharge device' [patent_app_type] => 1 [patent_app_number] => 6/139288 [patent_app_country] => US [patent_app_date] => 1980-04-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 5421 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/317/04317067.pdf [firstpage_image] =>[orig_patent_app_number] => 139288 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/139288
Dielectric surface electrical discharge device Apr 10, 1980 Issued
Array ( [id] => 1913868 [patent_doc_number] => 04300075 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-11-10 [patent_title] => 'AC Regulator system for quartz iodine lamps' [patent_app_type] => 1 [patent_app_number] => 6/138922 [patent_app_country] => US [patent_app_date] => 1980-04-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2692 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 16 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/300/04300075.pdf [firstpage_image] =>[orig_patent_app_number] => 138922 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/138922
AC Regulator system for quartz iodine lamps Apr 9, 1980 Issued
Array ( [id] => 1871825 [patent_doc_number] => 04283659 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-08-11 [patent_title] => 'Display system utilizing incandescent lamp multiplexing' [patent_app_type] => 1 [patent_app_number] => 6/137927 [patent_app_country] => US [patent_app_date] => 1980-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2204 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/283/04283659.pdf [firstpage_image] =>[orig_patent_app_number] => 137927 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/137927
Display system utilizing incandescent lamp multiplexing Apr 6, 1980 Issued
Array ( [id] => 1906204 [patent_doc_number] => 04307323 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-12-22 [patent_title] => 'Vacuum gauge' [patent_app_type] => 1 [patent_app_number] => 6/137461 [patent_app_country] => US [patent_app_date] => 1980-04-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 2554 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 23 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/307/04307323.pdf [firstpage_image] =>[orig_patent_app_number] => 137461 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/137461
Vacuum gauge Apr 3, 1980 Issued
Array ( [id] => 1899910 [patent_doc_number] => 04301392 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-11-17 [patent_title] => 'Electronic flash system capable of automatic flash duration control' [patent_app_type] => 1 [patent_app_number] => 6/136882 [patent_app_country] => US [patent_app_date] => 1980-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2660 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 248 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/301/04301392.pdf [firstpage_image] =>[orig_patent_app_number] => 136882 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/136882
Electronic flash system capable of automatic flash duration control Apr 2, 1980 Issued
Array ( [id] => 1892667 [patent_doc_number] => 04267487 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-05-12 [patent_title] => 'Regulated filament supply for high-power tubes' [patent_app_type] => 1 [patent_app_number] => 6/136697 [patent_app_country] => US [patent_app_date] => 1980-04-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2236 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 20 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/267/04267487.pdf [firstpage_image] =>[orig_patent_app_number] => 136697 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/136697
Regulated filament supply for high-power tubes Apr 1, 1980 Issued
Array ( [id] => 1900393 [patent_doc_number] => 04293794 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-10-06 [patent_title] => 'Generation of intense, high-energy ion pulses by magnetic compression of ion rings' [patent_app_type] => 1 [patent_app_number] => 6/136227 [patent_app_country] => US [patent_app_date] => 1980-04-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 3003 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 271 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/293/04293794.pdf [firstpage_image] =>[orig_patent_app_number] => 136227 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/136227
Generation of intense, high-energy ion pulses by magnetic compression of ion rings Mar 31, 1980 Issued
Array ( [id] => 1871329 [patent_doc_number] => 04306173 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-12-15 [patent_title] => 'Phosphor with extended fluorescence decay lifetime and lamp based thereon' [patent_app_type] => 1 [patent_app_number] => 6/135951 [patent_app_country] => US [patent_app_date] => 1980-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2884 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 113 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/306/04306173.pdf [firstpage_image] =>[orig_patent_app_number] => 135951 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/135951
Phosphor with extended fluorescence decay lifetime and lamp based thereon Mar 30, 1980 Issued
Array ( [id] => 1906195 [patent_doc_number] => 04307321 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-12-22 [patent_title] => 'Red emitting phosphor with slow exponential decay' [patent_app_type] => 1 [patent_app_number] => 6/135605 [patent_app_country] => US [patent_app_date] => 1980-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2206 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/307/04307321.pdf [firstpage_image] =>[orig_patent_app_number] => 135605 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/135605
Red emitting phosphor with slow exponential decay Mar 30, 1980 Issued
Array ( [id] => 1912958 [patent_doc_number] => 04278918 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-07-14 [patent_title] => 'Display panel driver circuit' [patent_app_type] => 1 [patent_app_number] => 6/135657 [patent_app_country] => US [patent_app_date] => 1980-03-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2662 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 140 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/278/04278918.pdf [firstpage_image] =>[orig_patent_app_number] => 135657 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/135657
Display panel driver circuit Mar 30, 1980 Issued
Array ( [id] => 1865272 [patent_doc_number] => 04268780 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-05-19 [patent_title] => 'Integrated fluorescent-incandescent lamp assembly' [patent_app_type] => 1 [patent_app_number] => 6/135382 [patent_app_country] => US [patent_app_date] => 1980-03-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1505 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/268/04268780.pdf [firstpage_image] =>[orig_patent_app_number] => 135382 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/135382
Integrated fluorescent-incandescent lamp assembly Mar 27, 1980 Issued
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