Search

Calvin Ma

Examiner (ID: 9615, Phone: (571)270-1713 , Office: P/2693 )

Most Active Art Unit
2693
Art Unit(s)
2621, 2693, 2629
Total Applications
953
Issued Applications
713
Pending Applications
61
Abandoned Applications
202

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 13587605 [patent_doc_number] => 20180345351 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-12-06 [patent_title] => Punch Assembly with Quick Release Removable Head [patent_app_type] => utility [patent_app_number] => 15/835723 [patent_app_country] => US [patent_app_date] => 2017-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1952 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 100 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15835723 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/835723
Punch Assembly with Quick Release Removable Head Dec 7, 2017 Abandoned
Array ( [id] => 12721771 [patent_doc_number] => 20180132424 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-05-17 [patent_title] => Handheld Pruning Tool [patent_app_type] => utility [patent_app_number] => 15/822063 [patent_app_country] => US [patent_app_date] => 2017-11-24 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3940 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 475 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15822063 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/822063
Handheld Pruning Tool Nov 23, 2017 Abandoned
Array ( [id] => 12723142 [patent_doc_number] => 20180132881 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-05-17 [patent_title] => DOUBLE EDGED BLADE GRIP ASSEMBLY [patent_app_type] => utility [patent_app_number] => 15/812899 [patent_app_country] => US [patent_app_date] => 2017-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4826 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 29 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15812899 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/812899
Double edged blade grip assembly Nov 13, 2017 Issued
Array ( [id] => 12725953 [patent_doc_number] => 20180133818 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-05-17 [patent_title] => HANDHELD PORTABLE CUTTING APPARATUS HAVING A CUTTER UNIT [patent_app_type] => utility [patent_app_number] => 15/812419 [patent_app_country] => US [patent_app_date] => 2017-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2945 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 204 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15812419 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/812419
Handheld portable cutting apparatus having a cutter unit Nov 13, 2017 Issued
Array ( [id] => 14307681 [patent_doc_number] => 20190143544 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-05-16 [patent_title] => FOLDING KNIFE WITH ROTATABLE FINGER TAB [patent_app_type] => utility [patent_app_number] => 15/812983 [patent_app_country] => US [patent_app_date] => 2017-11-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2210 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 85 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15812983 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/812983
FOLDING KNIFE WITH ROTATABLE FINGER TAB Nov 13, 2017 Abandoned
Array ( [id] => 17075945 [patent_doc_number] => 11112337 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2021-09-07 [patent_title] => Microtome with generator [patent_app_type] => utility [patent_app_number] => 15/811474 [patent_app_country] => US [patent_app_date] => 2017-11-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 27 [patent_no_of_words] => 14719 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 163 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15811474 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/811474
Microtome with generator Nov 12, 2017 Issued
Array ( [id] => 15131093 [patent_doc_number] => 10478986 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-11-19 [patent_title] => Mandoline slicer [patent_app_type] => utility [patent_app_number] => 15/730764 [patent_app_country] => US [patent_app_date] => 2017-10-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 9 [patent_no_of_words] => 3381 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 312 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15730764 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/730764
Mandoline slicer Oct 11, 2017 Issued
Array ( [id] => 15176501 [patent_doc_number] => 20190358842 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-11-28 [patent_title] => CUTTING METHOD AND CUTTING DEVICE FOR STRIP MEMBER [patent_app_type] => utility [patent_app_number] => 16/331628 [patent_app_country] => US [patent_app_date] => 2017-10-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5779 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [patent_words_short_claim] => 269 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16331628 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/331628
Cutting method and cutting device for strip member Oct 2, 2017 Issued
Array ( [id] => 13507243 [patent_doc_number] => 20180305164 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-10-25 [patent_title] => SLIDE CUTTER BOX [patent_app_type] => utility [patent_app_number] => 15/722575 [patent_app_country] => US [patent_app_date] => 2017-10-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11097 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [patent_words_short_claim] => 189 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15722575 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/722575
Slide cutter box Oct 1, 2017 Issued
Array ( [id] => 13194815 [patent_doc_number] => 10112313 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-10-30 [patent_title] => Shaving device [patent_app_type] => utility [patent_app_number] => 15/716504 [patent_app_country] => US [patent_app_date] => 2017-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 267 [patent_figures_cnt] => 319 [patent_no_of_words] => 87207 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 192 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15716504 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/716504
Shaving device Sep 25, 2017 Issued
Array ( [id] => 15360483 [patent_doc_number] => 20200016006 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-01-16 [patent_title] => EARTIP, POSITION REFERENCE, AND HAIR PROCESSING SYSTEM [patent_app_type] => utility [patent_app_number] => 16/335437 [patent_app_country] => US [patent_app_date] => 2017-09-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8688 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16335437 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/335437
EARTIP, POSITION REFERENCE, AND HAIR PROCESSING SYSTEM Sep 25, 2017 Abandoned
Array ( [id] => 12117911 [patent_doc_number] => 20180001496 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-04 [patent_title] => 'Shaving Device' [patent_app_type] => utility [patent_app_number] => 15/708635 [patent_app_country] => US [patent_app_date] => 2017-09-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 171 [patent_figures_cnt] => 171 [patent_no_of_words] => 61661 [patent_no_of_claims] => 30 [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] => 15708635 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/708635
Shaving Device Sep 18, 2017 Abandoned
Array ( [id] => 14015001 [patent_doc_number] => 20190069494 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-03-07 [patent_title] => FOLDABLE GARDENING SHEAR [patent_app_type] => utility [patent_app_number] => 15/697686 [patent_app_country] => US [patent_app_date] => 2017-09-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2563 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -6 [patent_words_short_claim] => 856 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15697686 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/697686
Foldable gardening shear Sep 6, 2017 Issued
Array ( [id] => 16436314 [patent_doc_number] => 20200353639 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2020-11-12 [patent_title] => TRIMMER [patent_app_type] => utility [patent_app_number] => 16/641287 [patent_app_country] => US [patent_app_date] => 2017-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5356 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -3 [patent_words_short_claim] => 88 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16641287 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/641287
Trimmer Sep 5, 2017 Issued
Array ( [id] => 14462991 [patent_doc_number] => 20190183134 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-20 [patent_title] => SYSTEM AND METHOD FOR MONITORING UTENSILS IN SLAUGHTERHOUSES, AND UTENSIL [patent_app_type] => utility [patent_app_number] => 16/329932 [patent_app_country] => US [patent_app_date] => 2017-09-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4693 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -32 [patent_words_short_claim] => 108 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16329932 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/329932
SYSTEM AND METHOD FOR MONITORING UTENSILS IN SLAUGHTERHOUSES, AND UTENSIL Aug 31, 2017 Abandoned
Array ( [id] => 13549931 [patent_doc_number] => 20180326513 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-11-15 [patent_title] => PIPE CUTTER [patent_app_type] => utility [patent_app_number] => 15/681341 [patent_app_country] => US [patent_app_date] => 2017-08-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3115 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 643 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15681341 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/681341
Pipe cutter Aug 18, 2017 Issued
Array ( [id] => 14532925 [patent_doc_number] => 20190202083 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-07-04 [patent_title] => ELECTRIC BANDSAW DEVICE [patent_app_type] => utility [patent_app_number] => 16/325209 [patent_app_country] => US [patent_app_date] => 2017-08-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2845 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 2 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16325209 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/325209
ELECTRIC BANDSAW DEVICE Aug 16, 2017 Abandoned
Array ( [id] => 14403369 [patent_doc_number] => 20190167528 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2019-06-06 [patent_title] => MEDICINE FEEDER AND TABLET SPLITTING APPARATUS [patent_app_type] => utility [patent_app_number] => 16/324012 [patent_app_country] => US [patent_app_date] => 2017-08-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8128 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [patent_words_short_claim] => 132 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 16324012 [rel_patent_id] =>[rel_patent_doc_number] =>)
16/324012
Medicine feeder and tablet splitting apparatus Jul 31, 2017 Issued
Array ( [id] => 12157975 [patent_doc_number] => 20180029240 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-02-01 [patent_title] => 'BLADE CARTRIDGE MECHANISM FOR A CUTTING DEVICE' [patent_app_type] => utility [patent_app_number] => 15/660738 [patent_app_country] => US [patent_app_date] => 2017-07-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 5101 [patent_no_of_claims] => 20 [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] => 15660738 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/660738
Blade cartridge mechanism for a cutting device Jul 25, 2017 Issued
Array ( [id] => 12000761 [patent_doc_number] => 20170304916 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-26 [patent_title] => 'DEMOLITION ROTARY SAW BLADE' [patent_app_type] => utility [patent_app_number] => 15/648592 [patent_app_country] => US [patent_app_date] => 2017-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1245 [patent_no_of_claims] => 8 [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] => 15648592 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/648592
DEMOLITION ROTARY SAW BLADE Jul 12, 2017 Abandoned
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