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] => 2032643 [patent_doc_number] => 04382211 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-05-03 [patent_title] => 'Electric flash device' [patent_app_type] => 1 [patent_app_number] => 6/204797 [patent_app_country] => US [patent_app_date] => 1980-11-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 6070 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 382 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/382/04382211.pdf [firstpage_image] =>[orig_patent_app_number] => 204797 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/204797
Electric flash device Nov 6, 1980 Issued
Array ( [id] => 1986715 [patent_doc_number] => 04357558 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-11-02 [patent_title] => 'Automatic control device for lighting and extinction of headlamps in a vehicle' [patent_app_type] => 1 [patent_app_number] => 6/204141 [patent_app_country] => US [patent_app_date] => 1980-11-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 5692 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 338 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/357/04357558.pdf [firstpage_image] =>[orig_patent_app_number] => 204141 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/204141
Automatic control device for lighting and extinction of headlamps in a vehicle Nov 4, 1980 Issued
Array ( [id] => 2021475 [patent_doc_number] => 04419601 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-12-06 [patent_title] => 'Spark plug for internal combustion engine' [patent_app_type] => 1 [patent_app_number] => 6/202157 [patent_app_country] => US [patent_app_date] => 1980-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 13 [patent_no_of_words] => 3089 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 143 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/419/04419601.pdf [firstpage_image] =>[orig_patent_app_number] => 202157 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/202157
Spark plug for internal combustion engine Oct 29, 1980 Issued
Array ( [id] => 1947511 [patent_doc_number] => 04336481 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-06-22 [patent_title] => 'Method of and apparatus for automatic electronic flash lamp control' [patent_app_type] => 1 [patent_app_number] => 6/201124 [patent_app_country] => US [patent_app_date] => 1980-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2243 [patent_no_of_claims] => 7 [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/04/336/04336481.pdf [firstpage_image] =>[orig_patent_app_number] => 201124 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/201124
Method of and apparatus for automatic electronic flash lamp control Oct 26, 1980 Issued
Array ( [id] => 2028144 [patent_doc_number] => 04378514 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-03-29 [patent_title] => 'Starting and operating circuit for gaseous discharge lamps' [patent_app_type] => 1 [patent_app_number] => 6/201014 [patent_app_country] => US [patent_app_date] => 1980-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2098 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 170 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/378/04378514.pdf [firstpage_image] =>[orig_patent_app_number] => 201014 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/201014
Starting and operating circuit for gaseous discharge lamps Oct 26, 1980 Issued
Array ( [id] => 1981462 [patent_doc_number] => 04359670 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-11-16 [patent_title] => 'Lamp intensity control apparatus comprising preset means' [patent_app_type] => 1 [patent_app_number] => 6/200689 [patent_app_country] => US [patent_app_date] => 1980-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 11 [patent_no_of_words] => 4937 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 239 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/359/04359670.pdf [firstpage_image] =>[orig_patent_app_number] => 200689 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/200689
Lamp intensity control apparatus comprising preset means Oct 26, 1980 Issued
Array ( [id] => 1969676 [patent_doc_number] => 04331905 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-05-25 [patent_title] => 'Starting and operating circuit for gaseous discharge lamps' [patent_app_type] => 1 [patent_app_number] => 6/201013 [patent_app_country] => US [patent_app_date] => 1980-10-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2083 [patent_no_of_claims] => 5 [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/04/331/04331905.pdf [firstpage_image] =>[orig_patent_app_number] => 201013 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/201013
Starting and operating circuit for gaseous discharge lamps Oct 26, 1980 Issued
Array ( [id] => 1933662 [patent_doc_number] => 04350932 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-09-21 [patent_title] => 'Method of plasma panel drive to reduce flash and create dimming' [patent_app_type] => 1 [patent_app_number] => 6/198562 [patent_app_country] => US [patent_app_date] => 1980-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2221 [patent_no_of_claims] => 5 [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/04/350/04350932.pdf [firstpage_image] =>[orig_patent_app_number] => 198562 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/198562
Method of plasma panel drive to reduce flash and create dimming Oct 19, 1980 Issued
Array ( [id] => 2023262 [patent_doc_number] => 04373146 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-02-08 [patent_title] => 'Method and circuit for operating discharge lamp' [patent_app_type] => 1 [patent_app_number] => 6/198321 [patent_app_country] => US [patent_app_date] => 1980-10-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1838 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/373/04373146.pdf [firstpage_image] =>[orig_patent_app_number] => 198321 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/198321
Method and circuit for operating discharge lamp Oct 19, 1980 Issued
Array ( [id] => 1987236 [patent_doc_number] => 04360764 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-11-23 [patent_title] => 'Flash unit having plural flashlamps' [patent_app_type] => 1 [patent_app_number] => 6/197473 [patent_app_country] => US [patent_app_date] => 1980-10-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 4046 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 290 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/360/04360764.pdf [firstpage_image] =>[orig_patent_app_number] => 197473 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/197473
Flash unit having plural flashlamps Oct 15, 1980 Issued
Array ( [id] => 1941161 [patent_doc_number] => 04327311 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-04-27 [patent_title] => 'Inductor-capacitor impedance devices and method of making the same' [patent_app_type] => 1 [patent_app_number] => 6/194371 [patent_app_country] => US [patent_app_date] => 1980-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 11 [patent_no_of_words] => 4129 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 274 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/327/04327311.pdf [firstpage_image] =>[orig_patent_app_number] => 194371 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/194371
Inductor-capacitor impedance devices and method of making the same Oct 5, 1980 Issued
Array ( [id] => 2032629 [patent_doc_number] => 04382209 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-05-03 [patent_title] => 'Thermal switch and dual filament long life lamp' [patent_app_type] => 1 [patent_app_number] => 6/194369 [patent_app_country] => US [patent_app_date] => 1980-10-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1108 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 70 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/382/04382209.pdf [firstpage_image] =>[orig_patent_app_number] => 194369 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/194369
Thermal switch and dual filament long life lamp Oct 5, 1980 Issued
Array ( [id] => 1977237 [patent_doc_number] => 04348613 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-09-07 [patent_title] => 'Lamp failure indicating circuit' [patent_app_type] => 1 [patent_app_number] => 6/192652 [patent_app_country] => US [patent_app_date] => 1980-10-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 1887 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/348/04348613.pdf [firstpage_image] =>[orig_patent_app_number] => 192652 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/192652
Lamp failure indicating circuit Sep 30, 1980 Issued
Array ( [id] => 1961640 [patent_doc_number] => 04358713 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-11-09 [patent_title] => 'Brightness control device for light emitting display of electronic meter' [patent_app_type] => 1 [patent_app_number] => 6/190831 [patent_app_country] => US [patent_app_date] => 1980-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 6 [patent_no_of_words] => 3400 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/358/04358713.pdf [firstpage_image] =>[orig_patent_app_number] => 190831 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/190831
Brightness control device for light emitting display of electronic meter Sep 24, 1980 Issued
Array ( [id] => 1955405 [patent_doc_number] => 04326149 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-04-20 [patent_title] => 'Adaptor for high intensity arc discharge lamps' [patent_app_type] => 1 [patent_app_number] => 6/189550 [patent_app_country] => US [patent_app_date] => 1980-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1217 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 123 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/326/04326149.pdf [firstpage_image] =>[orig_patent_app_number] => 189550 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/189550
Adaptor for high intensity arc discharge lamps Sep 21, 1980 Issued
Array ( [id] => 1960000 [patent_doc_number] => 04334172 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-06-08 [patent_title] => 'Adaptor for high intensity arc discharge lamps' [patent_app_type] => 1 [patent_app_number] => 6/189552 [patent_app_country] => US [patent_app_date] => 1980-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1217 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/334/04334172.pdf [firstpage_image] =>[orig_patent_app_number] => 189552 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/189552
Adaptor for high intensity arc discharge lamps Sep 21, 1980 Issued
Array ( [id] => 2008366 [patent_doc_number] => 04398119 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-08-09 [patent_title] => 'Coated phosphor particles, method, and cathode ray tube screen' [patent_app_type] => 1 [patent_app_number] => 6/188634 [patent_app_country] => US [patent_app_date] => 1980-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1943 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 43 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/398/04398119.pdf [firstpage_image] =>[orig_patent_app_number] => 188634 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/188634
Coated phosphor particles, method, and cathode ray tube screen Sep 18, 1980 Issued
Array ( [id] => 2020188 [patent_doc_number] => 04403170 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-09-06 [patent_title] => 'Color picture tubes' [patent_app_type] => 1 [patent_app_number] => 6/188747 [patent_app_country] => US [patent_app_date] => 1980-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 16 [patent_no_of_words] => 3909 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 106 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/403/04403170.pdf [firstpage_image] =>[orig_patent_app_number] => 188747 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/188747
Color picture tubes Sep 18, 1980 Issued
Array ( [id] => 1938946 [patent_doc_number] => 04342948 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-08-03 [patent_title] => 'Electric discharge lamp control converter circuits' [patent_app_type] => 1 [patent_app_number] => 6/188253 [patent_app_country] => US [patent_app_date] => 1980-09-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 17 [patent_no_of_words] => 5915 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/342/04342948.pdf [firstpage_image] =>[orig_patent_app_number] => 188253 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/188253
Electric discharge lamp control converter circuits Sep 16, 1980 Issued
Array ( [id] => 1968896 [patent_doc_number] => 04362970 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-12-07 [patent_title] => 'Energy conserving electrical power control circuit' [patent_app_type] => 1 [patent_app_number] => 6/184991 [patent_app_country] => US [patent_app_date] => 1980-09-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 1308 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/362/04362970.pdf [firstpage_image] =>[orig_patent_app_number] => 184991 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/184991
Energy conserving electrical power control circuit Sep 7, 1980 Issued
Menu