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] => 2567867 [patent_doc_number] => 04945289 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-07-31 [patent_title] => 'Electronic supply system for fluorescent tubes with electrodes' [patent_app_type] => 1 [patent_app_number] => 7/162407 [patent_app_country] => US [patent_app_date] => 1988-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3759 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 403 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/945/04945289.pdf [firstpage_image] =>[orig_patent_app_number] => 162407 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/162407
Electronic supply system for fluorescent tubes with electrodes Jan 24, 1988 Issued
07/124734 AUTOMOTIVE VEHICLE DAYTIME RUNNING LIGHT CIRCUIT Jan 20, 1988 Abandoned
Array ( [id] => 2640330 [patent_doc_number] => 04958312 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-18 [patent_title] => 'Digital multiplier circuit and a digital multiplier-accumulator circuit which preloads and accumulates subresults' [patent_app_type] => 1 [patent_app_number] => 7/118496 [patent_app_country] => US [patent_app_date] => 1987-11-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 9 [patent_no_of_words] => 7037 [patent_no_of_claims] => 9 [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/04/958/04958312.pdf [firstpage_image] =>[orig_patent_app_number] => 118496 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/118496
Digital multiplier circuit and a digital multiplier-accumulator circuit which preloads and accumulates subresults Nov 8, 1987 Issued
Array ( [id] => 2528322 [patent_doc_number] => 04878030 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-10-31 [patent_title] => 'Linearizer for microwave amplifier' [patent_app_type] => 1 [patent_app_number] => 7/112852 [patent_app_country] => US [patent_app_date] => 1987-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2866 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/878/04878030.pdf [firstpage_image] =>[orig_patent_app_number] => 112852 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/112852
Linearizer for microwave amplifier Oct 22, 1987 Issued
Array ( [id] => 2650576 [patent_doc_number] => 04980605 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-12-25 [patent_title] => 'Oscilloscope triggering control circuit' [patent_app_type] => 1 [patent_app_number] => 7/006531 [patent_app_country] => US [patent_app_date] => 1987-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2047 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 0 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/980/04980605.pdf [firstpage_image] =>[orig_patent_app_number] => 006531 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/006531
Oscilloscope triggering control circuit Jan 22, 1987 Issued
Array ( [id] => 2594357 [patent_doc_number] => 04959590 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-25 [patent_title] => 'Lead connection structure' [patent_app_type] => 1 [patent_app_number] => 6/943198 [patent_app_country] => US [patent_app_date] => 1986-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 24 [patent_no_of_words] => 3151 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/959/04959590.pdf [firstpage_image] =>[orig_patent_app_number] => 943198 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/943198
Lead connection structure Dec 17, 1986 Issued
Array ( [id] => 2630752 [patent_doc_number] => 04950961 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-08-21 [patent_title] => 'Starting circuit for gaseous discharge lamps' [patent_app_type] => 1 [patent_app_number] => 6/936069 [patent_app_country] => US [patent_app_date] => 1986-11-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 1941 [patent_no_of_claims] => 12 [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/04/950/04950961.pdf [firstpage_image] =>[orig_patent_app_number] => 936069 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/936069
Starting circuit for gaseous discharge lamps Nov 27, 1986 Issued
Array ( [id] => 2673516 [patent_doc_number] => 04999547 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-03-12 [patent_title] => 'Ballast for high pressure sodium lamps having constant line and lamp wattage' [patent_app_type] => 1 [patent_app_number] => 6/911526 [patent_app_country] => US [patent_app_date] => 1986-09-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3448 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 254 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/999/04999547.pdf [firstpage_image] =>[orig_patent_app_number] => 911526 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/911526
Ballast for high pressure sodium lamps having constant line and lamp wattage Sep 24, 1986 Issued
06/910729 ELECTRONIC BALLAST WITH SEPARATE INVERTER FOR CATHODE HEATING Sep 22, 1986 Abandoned
06/907229 EXTRA EFFICIENT ELECTRONIC BALLAST FOR FLUORESCENT LAMPS Sep 14, 1986 Abandoned
Array ( [id] => 2749884 [patent_doc_number] => 05003232 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-03-26 [patent_title] => 'Luminaire having detachable reversible holders for supporting different numbers of tubular lamps' [patent_app_type] => 1 [patent_app_number] => 6/870274 [patent_app_country] => US [patent_app_date] => 1986-06-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1318 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 173 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/003/05003232.pdf [firstpage_image] =>[orig_patent_app_number] => 870274 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/870274
Luminaire having detachable reversible holders for supporting different numbers of tubular lamps Jun 2, 1986 Issued
06/853872 FLUORESCENT LAMP BALLAST WITH ADJUSTABLE LAMP CURRENT Apr 20, 1986 Abandoned
06/837759 ELECTRONIC INCANDESCENT LIGHTING PRODUCT Mar 9, 1986 Abandoned
Array ( [id] => 2590159 [patent_doc_number] => 04926096 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-05-15 [patent_title] => 'Shock-protected electronic ballast' [patent_app_type] => 1 [patent_app_number] => 6/830270 [patent_app_country] => US [patent_app_date] => 1986-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 3117 [patent_no_of_claims] => 28 [patent_no_of_ind_claims] => 8 [patent_words_short_claim] => 168 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/926/04926096.pdf [firstpage_image] =>[orig_patent_app_number] => 830270 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/830270
Shock-protected electronic ballast Feb 17, 1986 Issued
06/791057 MAGNETIC-ELECTRONIC FLUORESCENT LAMP BALLAST Oct 23, 1985 Abandoned
Array ( [id] => 2601524 [patent_doc_number] => 04965494 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-10-23 [patent_title] => 'Capacitor charging circuit for timing light power source' [patent_app_type] => 1 [patent_app_number] => 6/789474 [patent_app_country] => US [patent_app_date] => 1985-10-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2104 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 87 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/965/04965494.pdf [firstpage_image] =>[orig_patent_app_number] => 789474 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/789474
Capacitor charging circuit for timing light power source Oct 20, 1985 Issued
06/782016 FLUORESCENT LAMP BALLAST WITH LIGHT OUTPUT CONTROL Sep 29, 1985 Abandoned
06/738269 ELECTRONIC FLUORESCENT LAMP BALLASTING SYSTEM May 27, 1985 Abandoned
06/734483 OPERATING SYSTEM FOR MULTIPLE FLORESCENT LAMPS May 15, 1985 Abandoned
Array ( [id] => 2651189 [patent_doc_number] => 04896078 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-01-23 [patent_title] => 'Distributed ballasting system for sun tanning apparatus' [patent_app_type] => 1 [patent_app_number] => 6/730599 [patent_app_country] => US [patent_app_date] => 1985-05-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2920 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 181 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/896/04896078.pdf [firstpage_image] =>[orig_patent_app_number] => 730599 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/730599
Distributed ballasting system for sun tanning apparatus May 5, 1985 Issued
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