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] => 1934769 [patent_doc_number] => 04338547 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-07-06 [patent_title] => 'Apparatus and method for generating light designs' [patent_app_type] => 1 [patent_app_number] => 6/160875 [patent_app_country] => US [patent_app_date] => 1980-06-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 2681 [patent_no_of_claims] => 21 [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/04/338/04338547.pdf [firstpage_image] =>[orig_patent_app_number] => 160875 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/160875
Apparatus and method for generating light designs Jun 18, 1980 Issued
Array ( [id] => 1959798 [patent_doc_number] => 04339696 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-07-13 [patent_title] => 'Light switch delay circuit' [patent_app_type] => 1 [patent_app_number] => 6/160095 [patent_app_country] => US [patent_app_date] => 1980-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 2885 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 38 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/339/04339696.pdf [firstpage_image] =>[orig_patent_app_number] => 160095 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/160095
Light switch delay circuit Jun 15, 1980 Issued
Array ( [id] => 1961657 [patent_doc_number] => 04358717 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-11-09 [patent_title] => 'Direct current power source for an electric discharge lamp' [patent_app_type] => 1 [patent_app_number] => 6/159665 [patent_app_country] => US [patent_app_date] => 1980-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 5 [patent_no_of_words] => 4516 [patent_no_of_claims] => 32 [patent_no_of_ind_claims] => 10 [patent_words_short_claim] => 42 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/358/04358717.pdf [firstpage_image] =>[orig_patent_app_number] => 159665 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/159665
Direct current power source for an electric discharge lamp Jun 15, 1980 Issued
Array ( [id] => 1996125 [patent_doc_number] => 04345185 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-08-17 [patent_title] => 'Cathode ray tube apparatus' [patent_app_type] => 1 [patent_app_number] => 6/158117 [patent_app_country] => US [patent_app_date] => 1980-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 8 [patent_no_of_words] => 3735 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/345/04345185.pdf [firstpage_image] =>[orig_patent_app_number] => 158117 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/158117
Cathode ray tube apparatus Jun 9, 1980 Issued
Array ( [id] => 1940640 [patent_doc_number] => 04335331 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-06-15 [patent_title] => 'Low pressure metal vapor discharge lamp' [patent_app_type] => 1 [patent_app_number] => 6/158264 [patent_app_country] => US [patent_app_date] => 1980-06-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 23 [patent_no_of_words] => 6870 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 25 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/335/04335331.pdf [firstpage_image] =>[orig_patent_app_number] => 158264 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/158264
Low pressure metal vapor discharge lamp Jun 9, 1980 Issued
Array ( [id] => 1936623 [patent_doc_number] => 04325008 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-04-13 [patent_title] => 'Clamp assisted cycle control regulating system' [patent_app_type] => 1 [patent_app_number] => 6/157629 [patent_app_country] => US [patent_app_date] => 1980-06-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2506 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 205 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/325/04325008.pdf [firstpage_image] =>[orig_patent_app_number] => 157629 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/157629
Clamp assisted cycle control regulating system Jun 8, 1980 Issued
Array ( [id] => 1959791 [patent_doc_number] => 04339695 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-07-13 [patent_title] => 'High pressure sodium lamp ballast circuit' [patent_app_type] => 1 [patent_app_number] => 6/156766 [patent_app_country] => US [patent_app_date] => 1980-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2313 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 32 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/339/04339695.pdf [firstpage_image] =>[orig_patent_app_number] => 156766 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/156766
High pressure sodium lamp ballast circuit Jun 4, 1980 Issued
Array ( [id] => 2059823 [patent_doc_number] => 04393329 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1983-07-12 [patent_title] => 'Article of manufacture for projection television system' [patent_app_type] => 1 [patent_app_number] => 6/154197 [patent_app_country] => US [patent_app_date] => 1980-05-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 23 [patent_no_of_words] => 7805 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 62 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/393/04393329.pdf [firstpage_image] =>[orig_patent_app_number] => 154197 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/154197
Article of manufacture for projection television system May 28, 1980 Issued
Array ( [id] => 1987680 [patent_doc_number] => 04346331 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-08-24 [patent_title] => 'Feedback control system for applying AC power to ballasted lamps' [patent_app_type] => 1 [patent_app_number] => 6/153528 [patent_app_country] => US [patent_app_date] => 1980-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 16 [patent_no_of_words] => 5193 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 323 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/346/04346331.pdf [firstpage_image] =>[orig_patent_app_number] => 153528 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/153528
Feedback control system for applying AC power to ballasted lamps May 26, 1980 Issued
Array ( [id] => 1945292 [patent_doc_number] => 04314182 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-02-02 [patent_title] => 'System for controlling the power of a high-voltage electron beam generator' [patent_app_type] => 1 [patent_app_number] => 6/153516 [patent_app_country] => US [patent_app_date] => 1980-05-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2386 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 161 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/314/04314182.pdf [firstpage_image] =>[orig_patent_app_number] => 153516 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/153516
System for controlling the power of a high-voltage electron beam generator May 26, 1980 Issued
Array ( [id] => 1945288 [patent_doc_number] => 04314181 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-02-02 [patent_title] => 'Arc discharge lamp starting device' [patent_app_type] => 1 [patent_app_number] => 6/152541 [patent_app_country] => US [patent_app_date] => 1980-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 6 [patent_no_of_words] => 2399 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 115 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/314/04314181.pdf [firstpage_image] =>[orig_patent_app_number] => 152541 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/152541
Arc discharge lamp starting device May 22, 1980 Issued
Array ( [id] => 1995286 [patent_doc_number] => 04329622 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-05-11 [patent_title] => 'Low pressure gas discharge lamp with increased end illumination' [patent_app_type] => 1 [patent_app_number] => 6/151012 [patent_app_country] => US [patent_app_date] => 1980-05-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 1608 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/329/04329622.pdf [firstpage_image] =>[orig_patent_app_number] => 151012 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/151012
Low pressure gas discharge lamp with increased end illumination May 18, 1980 Issued
Array ( [id] => 1998163 [patent_doc_number] => 04323823 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-04-06 [patent_title] => 'Unitary ballast structure for operating four fluorescent lamps' [patent_app_type] => 1 [patent_app_number] => 6/150480 [patent_app_country] => US [patent_app_date] => 1980-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 2872 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 473 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/323/04323823.pdf [firstpage_image] =>[orig_patent_app_number] => 150480 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/150480
Unitary ballast structure for operating four fluorescent lamps May 15, 1980 Issued
Array ( [id] => 1950765 [patent_doc_number] => 04321509 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-03-23 [patent_title] => 'Dimmer' [patent_app_type] => 1 [patent_app_number] => 6/150352 [patent_app_country] => US [patent_app_date] => 1980-05-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 3535 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/321/04321509.pdf [firstpage_image] =>[orig_patent_app_number] => 150352 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/150352
Dimmer May 15, 1980 Issued
Array ( [id] => 1953797 [patent_doc_number] => 04310785 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-01-12 [patent_title] => 'Electronic photographic flash apparatus' [patent_app_type] => 1 [patent_app_number] => 6/149986 [patent_app_country] => US [patent_app_date] => 1980-05-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 5986 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 237 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/310/04310785.pdf [firstpage_image] =>[orig_patent_app_number] => 149986 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/149986
Electronic photographic flash apparatus May 14, 1980 Issued
Array ( [id] => 1994779 [patent_doc_number] => 04318029 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-03-02 [patent_title] => 'Liquid metal ion source' [patent_app_type] => 1 [patent_app_number] => 6/148851 [patent_app_country] => US [patent_app_date] => 1980-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2515 [patent_no_of_claims] => 11 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/318/04318029.pdf [firstpage_image] =>[orig_patent_app_number] => 148851 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/148851
Liquid metal ion source May 11, 1980 Issued
Array ( [id] => 1865501 [patent_doc_number] => 04295078 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1981-10-13 [patent_title] => 'Color television receiver degaussing circuit' [patent_app_type] => 1 [patent_app_number] => 6/148088 [patent_app_country] => US [patent_app_date] => 1980-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 2273 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/295/04295078.pdf [firstpage_image] =>[orig_patent_app_number] => 148088 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/148088
Color television receiver degaussing circuit May 11, 1980 Issued
Array ( [id] => 1994787 [patent_doc_number] => 04318030 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-03-02 [patent_title] => 'Liquid metal ion source' [patent_app_type] => 1 [patent_app_number] => 6/148852 [patent_app_country] => US [patent_app_date] => 1980-05-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 3 [patent_no_of_words] => 2438 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 188 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/318/04318030.pdf [firstpage_image] =>[orig_patent_app_number] => 148852 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/148852
Liquid metal ion source May 11, 1980 Issued
Array ( [id] => 1964972 [patent_doc_number] => 04315195 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-02-09 [patent_title] => 'High-voltage supply for power electron-beam guns' [patent_app_type] => 1 [patent_app_number] => 6/147447 [patent_app_country] => US [patent_app_date] => 1980-05-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2930 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 101 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/315/04315195.pdf [firstpage_image] =>[orig_patent_app_number] => 147447 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/147447
High-voltage supply for power electron-beam guns May 6, 1980 Issued
Array ( [id] => 1995227 [patent_doc_number] => 04329615 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1982-05-11 [patent_title] => 'Spark plug for internal combustion engines' [patent_app_type] => 1 [patent_app_number] => 6/146248 [patent_app_country] => US [patent_app_date] => 1980-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 33 [patent_no_of_words] => 4424 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/329/04329615.pdf [firstpage_image] =>[orig_patent_app_number] => 146248 [rel_patent_id] =>[rel_patent_doc_number] =>)
06/146248
Spark plug for internal combustion engines May 4, 1980 Issued
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