Search

Edward Chang

Examiner (ID: 4032, Phone: (571)270-3092 , Office: P/3696 )

Most Active Art Unit
3696
Art Unit(s)
3691, 3696, 3692
Total Applications
690
Issued Applications
413
Pending Applications
50
Abandoned Applications
239

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 12620523 [patent_doc_number] => 20180098671 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-04-12 [patent_title] => CLEANING IMPLEMENT [patent_app_type] => utility [patent_app_number] => 15/474525 [patent_app_country] => US [patent_app_date] => 2017-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7816 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 159 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15474525 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/474525
CLEANING IMPLEMENT Mar 29, 2017 Abandoned
Array ( [id] => 13104283 [patent_doc_number] => 10070767 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-09-11 [patent_title] => Electrical and foot-operated dewater device [patent_app_type] => utility [patent_app_number] => 15/414635 [patent_app_country] => US [patent_app_date] => 2017-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 2298 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 454 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15414635 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/414635
Electrical and foot-operated dewater device Jan 24, 2017 Issued
Array ( [id] => 11703790 [patent_doc_number] => 20170172288 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-06-22 [patent_title] => 'BRUSH HAVING ADJUSTABLE SCRUBBING STRENGTH' [patent_app_type] => utility [patent_app_number] => 15/382725 [patent_app_country] => US [patent_app_date] => 2016-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 5831 [patent_no_of_claims] => 1 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15382725 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/382725
BRUSH HAVING ADJUSTABLE SCRUBBING STRENGTH Dec 17, 2016 Abandoned
Array ( [id] => 12807040 [patent_doc_number] => 20180160850 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-06-14 [patent_title] => BARBECUE CLEANING KIT [patent_app_type] => utility [patent_app_number] => 15/376915 [patent_app_country] => US [patent_app_date] => 2016-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1785 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [patent_words_short_claim] => 165 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15376915 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/376915
BARBECUE CLEANING KIT Dec 12, 2016 Abandoned
Array ( [id] => 12644220 [patent_doc_number] => 20180106571 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-04-19 [patent_title] => DEVICE FOR CLEANING SMALL SPACES [patent_app_type] => utility [patent_app_number] => 15/293205 [patent_app_country] => US [patent_app_date] => 2016-10-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1875 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 57 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15293205 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/293205
DEVICE FOR CLEANING SMALL SPACES Oct 12, 2016 Abandoned
Array ( [id] => 12237854 [patent_doc_number] => 20180070717 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-03-15 [patent_title] => 'SLIM BROOM' [patent_app_type] => utility [patent_app_number] => 15/263595 [patent_app_country] => US [patent_app_date] => 2016-09-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 2345 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15263595 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/263595
SLIM BROOM Sep 12, 2016 Abandoned
Array ( [id] => 11749596 [patent_doc_number] => 09707596 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-07-18 [patent_title] => 'Surface-cleaning device' [patent_app_type] => utility [patent_app_number] => 15/231120 [patent_app_country] => US [patent_app_date] => 2016-08-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 3600 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 273 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15231120 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/231120
Surface-cleaning device Aug 7, 2016 Issued
Array ( [id] => 11969293 [patent_doc_number] => 20170273447 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-09-28 [patent_title] => 'TOOTHBRUSH HAVING REPLACEABLE BRUSH HEADS' [patent_app_type] => utility [patent_app_number] => 15/204605 [patent_app_country] => US [patent_app_date] => 2016-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2806 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15204605 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/204605
TOOTHBRUSH HAVING REPLACEABLE BRUSH HEADS Jul 6, 2016 Abandoned
Array ( [id] => 11928280 [patent_doc_number] => 09795257 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-10-24 [patent_title] => 'Wall-mountable hands-free back washer' [patent_app_type] => utility [patent_app_number] => 15/172125 [patent_app_country] => US [patent_app_date] => 2016-06-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 11 [patent_no_of_words] => 3214 [patent_no_of_claims] => 15 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 145 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15172125 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/172125
Wall-mountable hands-free back washer Jun 1, 2016 Issued
Array ( [id] => 11820310 [patent_doc_number] => 20170209247 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-07-27 [patent_title] => 'Denture Cleaning Brush' [patent_app_type] => utility [patent_app_number] => 15/165535 [patent_app_country] => US [patent_app_date] => 2016-05-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 5 [patent_no_of_words] => 1982 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15165535 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/165535
Denture Cleaning Brush May 25, 2016 Abandoned
Array ( [id] => 10736779 [patent_doc_number] => 20160082929 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-03-24 [patent_title] => 'WIPER BLADE' [patent_app_type] => utility [patent_app_number] => 14/960694 [patent_app_country] => US [patent_app_date] => 2015-12-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 8219 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14960694 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/960694
WIPER BLADE Dec 6, 2015 Abandoned
Array ( [id] => 11176484 [patent_doc_number] => 09408458 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-08-09 [patent_title] => 'Surface-cleaning device' [patent_app_type] => utility [patent_app_number] => 14/884675 [patent_app_country] => US [patent_app_date] => 2015-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 3289 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 264 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14884675 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/884675
Surface-cleaning device Oct 14, 2015 Issued
Array ( [id] => 10754527 [patent_doc_number] => 20160100680 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-04-14 [patent_title] => 'TOOTHBRUSH' [patent_app_type] => utility [patent_app_number] => 14/861225 [patent_app_country] => US [patent_app_date] => 2015-09-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 2884 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14861225 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/861225
TOOTHBRUSH Sep 21, 2015 Abandoned
Array ( [id] => 12485391 [patent_doc_number] => 09993065 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-06-12 [patent_title] => Magnetic brush apparatus [patent_app_type] => utility [patent_app_number] => 14/832225 [patent_app_country] => US [patent_app_date] => 2015-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 34 [patent_figures_cnt] => 42 [patent_no_of_words] => 9223 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14832225 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/832225
Magnetic brush apparatus Aug 20, 2015 Issued
Array ( [id] => 11793560 [patent_doc_number] => 09403269 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2016-08-02 [patent_title] => 'Dual-material paintbrush handle with internal fixation' [patent_app_type] => utility [patent_app_number] => 14/811895 [patent_app_country] => US [patent_app_date] => 2015-07-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2469 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 111 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14811895 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/811895
Dual-material paintbrush handle with internal fixation Jul 28, 2015 Issued
Array ( [id] => 10436634 [patent_doc_number] => 20150321646 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-11-12 [patent_title] => 'ADAPTER FOR WINDSHIELD WIPER ASSEMBLY' [patent_app_type] => utility [patent_app_number] => 14/804002 [patent_app_country] => US [patent_app_date] => 2015-07-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 2803 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14804002 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/804002
ADAPTER FOR WINDSHIELD WIPER ASSEMBLY Jul 19, 2015 Abandoned
Array ( [id] => 10669016 [patent_doc_number] => 20160015161 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-01-21 [patent_title] => 'CHILD TOOTHBRUSH' [patent_app_type] => utility [patent_app_number] => 14/799755 [patent_app_country] => US [patent_app_date] => 2015-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 19 [patent_no_of_words] => 4688 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14799755 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/799755
CHILD TOOTHBRUSH Jul 14, 2015 Abandoned
Array ( [id] => 10345591 [patent_doc_number] => 20150230596 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-08-20 [patent_title] => 'Toothbrush' [patent_app_type] => utility [patent_app_number] => 14/700520 [patent_app_country] => US [patent_app_date] => 2015-04-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5348 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14700520 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/700520
Toothbrush Apr 29, 2015 Abandoned
Array ( [id] => 10338589 [patent_doc_number] => 20150223594 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2015-08-13 [patent_title] => 'TOOTHBRUSH FOR HUMAN OR NON-HUMAN SUBJECTS' [patent_app_type] => utility [patent_app_number] => 14/618735 [patent_app_country] => US [patent_app_date] => 2015-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6933 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14618735 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/618735
TOOTHBRUSH FOR HUMAN OR NON-HUMAN SUBJECTS Feb 9, 2015 Abandoned
Array ( [id] => 11309609 [patent_doc_number] => 20160345719 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-12-01 [patent_title] => 'REPLACEMENT BRUSH HEAD FOR AN ELECTRIC TOOTHBRUSH' [patent_app_type] => utility [patent_app_number] => 15/111655 [patent_app_country] => US [patent_app_date] => 2015-01-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 9 [patent_no_of_words] => 3710 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15111655 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/111655
REPLACEMENT BRUSH HEAD FOR AN ELECTRIC TOOTHBRUSH Jan 22, 2015 Abandoned
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