Search

Nathaniel C Chukwurah

Examiner (ID: 17992, Phone: (571)272-4457 , Office: P/3721 )

Most Active Art Unit
3731
Art Unit(s)
3721, 3731
Total Applications
2314
Issued Applications
1888
Pending Applications
124
Abandoned Applications
341

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 7749195 [patent_doc_number] => 20120024552 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-02-02 [patent_title] => 'Inverter Device and Electrical Power Tool' [patent_app_type] => utility [patent_app_number] => 13/184403 [patent_app_country] => US [patent_app_date] => 2011-07-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 8613 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0024/20120024552.pdf [firstpage_image] =>[orig_patent_app_number] => 13184403 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/184403
Inverter Device and Electrical Power Tool Jul 14, 2011 Abandoned
Array ( [id] => 7576967 [patent_doc_number] => 20110290849 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-12-01 [patent_title] => 'STAPLE REFILL, STAPLER, AND CARTRIDGE' [patent_app_type] => utility [patent_app_number] => 13/182783 [patent_app_country] => US [patent_app_date] => 2011-07-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 23 [patent_no_of_words] => 21232 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 0 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] => publications/A1/0290/20110290849.pdf [firstpage_image] =>[orig_patent_app_number] => 13182783 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/182783
Staple refill, stapler, and cartridge Jul 13, 2011 Issued
Array ( [id] => 8402843 [patent_doc_number] => 20120234898 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-09-20 [patent_title] => 'CIRCULAR STAPLING DEVICES WITH TISSUE-PUNCTURING ANVIL FEATURES' [patent_app_type] => utility [patent_app_number] => 13/181786 [patent_app_country] => US [patent_app_date] => 2011-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 39 [patent_figures_cnt] => 39 [patent_no_of_words] => 18749 [patent_no_of_claims] => 18 [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] => 13181786 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/181786
Circular stapling devices with tissue-puncturing anvil features Jul 12, 2011 Issued
Array ( [id] => 8406941 [patent_doc_number] => 20120239010 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-09-20 [patent_title] => 'MODULAR SURGICAL TOOL SYSTEMS' [patent_app_type] => utility [patent_app_number] => 13/181798 [patent_app_country] => US [patent_app_date] => 2011-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 53 [patent_figures_cnt] => 53 [patent_no_of_words] => 20098 [patent_no_of_claims] => 20 [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] => 13181798 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/181798
Modular surgical tool systems Jul 12, 2011 Issued
Array ( [id] => 10088854 [patent_doc_number] => 09125654 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2015-09-08 [patent_title] => 'Multiple part anvil assemblies for circular surgical stapling devices' [patent_app_type] => utility [patent_app_number] => 13/181779 [patent_app_country] => US [patent_app_date] => 2011-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 38 [patent_figures_cnt] => 84 [patent_no_of_words] => 18745 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 177 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13181779 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/181779
Multiple part anvil assemblies for circular surgical stapling devices Jul 12, 2011 Issued
Array ( [id] => 7749872 [patent_doc_number] => 20120024932 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-02-02 [patent_title] => 'TOOL' [patent_app_type] => utility [patent_app_number] => 13/182033 [patent_app_country] => US [patent_app_date] => 2011-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3997 [patent_no_of_claims] => 19 [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] => publications/A1/0024/20120024932.pdf [firstpage_image] =>[orig_patent_app_number] => 13182033 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/182033
TOOL Jul 12, 2011 Abandoned
Array ( [id] => 8402829 [patent_doc_number] => 20120234890 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-09-20 [patent_title] => 'COLLAPSIBLE ANVIL PLATE ASSEMBLIES FOR CIRCULAR SURGICAL STAPLING DEVICES' [patent_app_type] => utility [patent_app_number] => 13/181768 [patent_app_country] => US [patent_app_date] => 2011-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 39 [patent_figures_cnt] => 39 [patent_no_of_words] => 18749 [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] => 13181768 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/181768
Collapsible anvil plate assemblies for circular surgical stapling devices Jul 12, 2011 Issued
Array ( [id] => 8402841 [patent_doc_number] => 20120234891 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-09-20 [patent_title] => 'ANVIL ASSEMBLIES WITH COLLAPSIBLE FRAMES FOR CIRCULAR STAPLERS' [patent_app_type] => utility [patent_app_number] => 13/181774 [patent_app_country] => US [patent_app_date] => 2011-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 39 [patent_figures_cnt] => 39 [patent_no_of_words] => 18750 [patent_no_of_claims] => 19 [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] => 13181774 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/181774
Anvil assemblies with collapsible frames for circular staplers Jul 12, 2011 Issued
Array ( [id] => 7574647 [patent_doc_number] => 20110270303 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-11-03 [patent_title] => 'SYSTEMS AND METHODS OF TISSUE CLOSURE' [patent_app_type] => utility [patent_app_number] => 13/180373 [patent_app_country] => US [patent_app_date] => 2011-07-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 30 [patent_no_of_words] => 9763 [patent_no_of_claims] => 14 [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] => publications/A1/0270/20110270303.pdf [firstpage_image] =>[orig_patent_app_number] => 13180373 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/180373
Systems and methods of tissue closure Jul 10, 2011 Issued
Array ( [id] => 11211324 [patent_doc_number] => 09440344 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-09-13 [patent_title] => 'Dust collecting device and impact tool' [patent_app_type] => utility [patent_app_number] => 13/807844 [patent_app_country] => US [patent_app_date] => 2011-07-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 22 [patent_no_of_words] => 9847 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 249 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13807844 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/807844
Dust collecting device and impact tool Jul 3, 2011 Issued
Array ( [id] => 10566735 [patent_doc_number] => 09289889 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2016-03-22 [patent_title] => 'Hydraulic impact mechanism for use in equipment for treating rock and concrete' [patent_app_type] => utility [patent_app_number] => 13/261579 [patent_app_country] => US [patent_app_date] => 2011-07-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 3 [patent_no_of_words] => 2257 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 447 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13261579 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/261579
Hydraulic impact mechanism for use in equipment for treating rock and concrete Jun 30, 2011 Issued
Array ( [id] => 8753051 [patent_doc_number] => 20130087355 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2013-04-11 [patent_title] => 'Impact Tool' [patent_app_type] => utility [patent_app_number] => 13/698191 [patent_app_country] => US [patent_app_date] => 2011-06-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 36 [patent_figures_cnt] => 36 [patent_no_of_words] => 14917 [patent_no_of_claims] => 13 [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] => 13698191 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/698191
Impact tool Jun 29, 2011 Issued
Array ( [id] => 9459805 [patent_doc_number] => 20140124230 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2014-05-08 [patent_title] => 'POWER TOOLS WITH HOUSINGS HAVING INTEGRAL RESILIENT MOTOR MOUNTS' [patent_app_type] => utility [patent_app_number] => 14/127749 [patent_app_country] => US [patent_app_date] => 2011-06-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 14 [patent_figures_cnt] => 14 [patent_no_of_words] => 8088 [patent_no_of_claims] => 20 [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] => 14127749 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/127749
Power tools with housings having integral resilient motor mounts Jun 28, 2011 Issued
Array ( [id] => 8261477 [patent_doc_number] => 20120160891 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-06-28 [patent_title] => 'Method of Using A Surgical Stapler To Secure A Tissue Fold' [patent_app_type] => utility [patent_app_number] => 13/164963 [patent_app_country] => US [patent_app_date] => 2011-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 33 [patent_figures_cnt] => 33 [patent_no_of_words] => 13580 [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] => 13164963 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/164963
Method of Using A Surgical Stapler To Secure A Tissue Fold Jun 20, 2011 Abandoned
Array ( [id] => 8320990 [patent_doc_number] => 20120193394 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2012-08-02 [patent_title] => 'Surgical Stapler Having an Adjustment Feature' [patent_app_type] => utility [patent_app_number] => 13/164949 [patent_app_country] => US [patent_app_date] => 2011-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 33 [patent_figures_cnt] => 33 [patent_no_of_words] => 13584 [patent_no_of_claims] => 9 [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] => 13164949 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/164949
Surgical Stapler Having an Adjustment Feature Jun 20, 2011 Abandoned
Array ( [id] => 7654463 [patent_doc_number] => 20110303732 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-12-15 [patent_title] => 'DRIVING DEVICE' [patent_app_type] => utility [patent_app_number] => 13/158777 [patent_app_country] => US [patent_app_date] => 2011-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 31 [patent_no_of_words] => 16834 [patent_no_of_claims] => 20 [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] => publications/A1/0303/20110303732.pdf [firstpage_image] =>[orig_patent_app_number] => 13158777 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/158777
Driving device Jun 12, 2011 Issued
Array ( [id] => 11843866 [patent_doc_number] => 09731408 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-08-15 [patent_title] => 'Driving device' [patent_app_type] => utility [patent_app_number] => 13/158799 [patent_app_country] => US [patent_app_date] => 2011-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 30 [patent_figures_cnt] => 46 [patent_no_of_words] => 16858 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 171 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 13158799 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/158799
Driving device Jun 12, 2011 Issued
Array ( [id] => 7654461 [patent_doc_number] => 20110303730 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-12-15 [patent_title] => 'DRIVING DEVICE' [patent_app_type] => utility [patent_app_number] => 13/158756 [patent_app_country] => US [patent_app_date] => 2011-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 31 [patent_no_of_words] => 16835 [patent_no_of_claims] => 20 [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] => publications/A1/0303/20110303730.pdf [firstpage_image] =>[orig_patent_app_number] => 13158756 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/158756
DRIVING DEVICE Jun 12, 2011 Abandoned
Array ( [id] => 7654452 [patent_doc_number] => 20110303721 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-12-15 [patent_title] => 'DRIVING DEVICE' [patent_app_type] => utility [patent_app_number] => 13/158789 [patent_app_country] => US [patent_app_date] => 2011-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 31 [patent_no_of_words] => 16835 [patent_no_of_claims] => 20 [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] => publications/A1/0303/20110303721.pdf [firstpage_image] =>[orig_patent_app_number] => 13158789 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/158789
DRIVING DEVICE Jun 12, 2011 Abandoned
Array ( [id] => 7654448 [patent_doc_number] => 20110303717 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2011-12-15 [patent_title] => 'DRIVING DEVICE' [patent_app_type] => utility [patent_app_number] => 13/158829 [patent_app_country] => US [patent_app_date] => 2011-06-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 31 [patent_figures_cnt] => 31 [patent_no_of_words] => 16835 [patent_no_of_claims] => 20 [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] => publications/A1/0303/20110303717.pdf [firstpage_image] =>[orig_patent_app_number] => 13158829 [rel_patent_id] =>[rel_patent_doc_number] =>)
13/158829
DRIVING DEVICE Jun 12, 2011 Abandoned
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