Search

Michael D. David

Examiner (ID: 14032, Phone: (571)270-3737 , Office: P/3641 )

Most Active Art Unit
3641
Art Unit(s)
4155, 3641
Total Applications
1237
Issued Applications
1052
Pending Applications
69
Abandoned Applications
137

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 18809719 [patent_doc_number] => 20230384054 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => VARIABLE VELOCITY BARREL ASSEMBLY [patent_app_type] => utility [patent_app_number] => 18/233021 [patent_app_country] => US [patent_app_date] => 2023-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4075 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18233021 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/233021
Variable velocity barrel assembly Aug 10, 2023 Issued
Array ( [id] => 19755497 [patent_doc_number] => 20250044062 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-02-06 [patent_title] => A Ballistic Headset Cover [patent_app_type] => utility [patent_app_number] => 18/364108 [patent_app_country] => US [patent_app_date] => 2023-08-02 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3844 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 39 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18364108 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/364108
Ballistic headset cover Aug 1, 2023 Issued
Array ( [id] => 18988792 [patent_doc_number] => 20240060761 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-22 [patent_title] => EFFICIENT AND ENERGY-SAVING BLASTING METHOD BASED ON NOTCHED BLAST HOLE [patent_app_type] => utility [patent_app_number] => 18/221411 [patent_app_country] => US [patent_app_date] => 2023-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1791 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 128 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18221411 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/221411
Efficient and energy-saving blasting method based on notched blast hole Jul 12, 2023 Issued
Array ( [id] => 18973026 [patent_doc_number] => 20240053118 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-02-15 [patent_title] => GAS POWERED SEMI-AUTOMATIC AIRGUN ACTION [patent_app_type] => utility [patent_app_number] => 18/221668 [patent_app_country] => US [patent_app_date] => 2023-07-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15066 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 18221668 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/221668
Gas powered semi-automatic airgun action Jul 12, 2023 Issued
Array ( [id] => 19580618 [patent_doc_number] => 12146724 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-11-19 [patent_title] => Stock adapter for a firearm [patent_app_type] => utility [patent_app_number] => 18/221121 [patent_app_country] => US [patent_app_date] => 2023-07-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 14 [patent_no_of_words] => 4399 [patent_no_of_claims] => 12 [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] =>[firstpage_image] =>[orig_patent_app_number] => 18221121 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/221121
Stock adapter for a firearm Jul 11, 2023 Issued
Array ( [id] => 19702493 [patent_doc_number] => 12196510 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-01-14 [patent_title] => Firearm locking mechanism [patent_app_type] => utility [patent_app_number] => 18/349248 [patent_app_country] => US [patent_app_date] => 2023-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5904 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 164 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18349248 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/349248
Firearm locking mechanism Jul 9, 2023 Issued
Array ( [id] => 19702498 [patent_doc_number] => 12196515 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-01-14 [patent_title] => Recoil mechanism for a firearm [patent_app_type] => utility [patent_app_number] => 18/220127 [patent_app_country] => US [patent_app_date] => 2023-07-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 2086 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 258 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18220127 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/220127
Recoil mechanism for a firearm Jul 9, 2023 Issued
Array ( [id] => 19676882 [patent_doc_number] => 12188735 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-01-07 [patent_title] => Multi-piece barrel design [patent_app_type] => utility [patent_app_number] => 18/219128 [patent_app_country] => US [patent_app_date] => 2023-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 4 [patent_no_of_words] => 822 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 135 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18219128 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/219128
Multi-piece barrel design Jul 6, 2023 Issued
Array ( [id] => 19898575 [patent_doc_number] => 12276489 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-04-15 [patent_title] => Detonator connector having leg wire locking structure [patent_app_type] => utility [patent_app_number] => 18/279246 [patent_app_country] => US [patent_app_date] => 2023-07-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 7 [patent_no_of_words] => 3796 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 269 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18279246 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/279246
Detonator connector having leg wire locking structure Jul 6, 2023 Issued
Array ( [id] => 19693985 [patent_doc_number] => 20250012530 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-09 [patent_title] => HUNTING RIFLE CALIBRE CONVERSION KIT AND PROCEDURE FOR CONVERTING THE CALIBRE OF SAID RIFLE [patent_app_type] => utility [patent_app_number] => 18/347688 [patent_app_country] => US [patent_app_date] => 2023-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 2165 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -12 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18347688 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/347688
HUNTING RIFLE CALIBRE CONVERSION KIT AND PROCEDURE FOR CONVERTING THE CALIBRE OF SAID RIFLE Jul 5, 2023 Abandoned
Array ( [id] => 20264954 [patent_doc_number] => 12435938 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-10-07 [patent_title] => Trigger safety with rotatable lever [patent_app_type] => utility [patent_app_number] => 18/348029 [patent_app_country] => US [patent_app_date] => 2023-07-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 0 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18348029 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/348029
Trigger safety with rotatable lever Jul 5, 2023 Issued
Array ( [id] => 19659508 [patent_doc_number] => 20240426573 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-26 [patent_title] => Illuminated Sighting System [patent_app_type] => utility [patent_app_number] => 18/214299 [patent_app_country] => US [patent_app_date] => 2023-06-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11230 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [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] => 18214299 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/214299
Illuminated sighting system Jun 25, 2023 Issued
Array ( [id] => 18710234 [patent_doc_number] => 20230332858 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-19 [patent_title] => Ambidextrous Firearm Bolt Assemblies and Methods of Using the Same [patent_app_type] => utility [patent_app_number] => 18/213456 [patent_app_country] => US [patent_app_date] => 2023-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 14459 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 65 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18213456 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/213456
Ambidextrous Firearm Bolt Assemblies and Methods of Using the Same Jun 22, 2023 Abandoned
Array ( [id] => 19840950 [patent_doc_number] => 12253332 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-18 [patent_title] => Digital reticle system [patent_app_type] => utility [patent_app_number] => 18/213736 [patent_app_country] => US [patent_app_date] => 2023-06-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 18 [patent_figures_cnt] => 20 [patent_no_of_words] => 6387 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 102 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18213736 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/213736
Digital reticle system Jun 22, 2023 Issued
Array ( [id] => 20486727 [patent_doc_number] => 20260022925 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-01-22 [patent_title] => SYSTEMS AND METHODS/PROCESSES [patent_app_type] => utility [patent_app_number] => 18/876982 [patent_app_country] => US [patent_app_date] => 2023-06-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 15956 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18876982 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/876982
SYSTEMS AND METHODS/PROCESSES Jun 20, 2023 Pending
Array ( [id] => 19158790 [patent_doc_number] => 20240151497 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-09 [patent_title] => ROTATABLE FIREARM BOLT ASSEMBLY AND FIREARMS INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 18/210645 [patent_app_country] => US [patent_app_date] => 2023-06-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 10492 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 139 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18210645 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/210645
ROTATABLE FIREARM BOLT ASSEMBLY AND FIREARMS INCLUDING THE SAME Jun 14, 2023 Abandoned
Array ( [id] => 20159104 [patent_doc_number] => 12385724 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-08-12 [patent_title] => Method of blasting using jet units charged in a blast-hole [patent_app_type] => utility [patent_app_number] => 18/209813 [patent_app_country] => US [patent_app_date] => 2023-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 17 [patent_no_of_words] => 0 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 44 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18209813 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/209813
Method of blasting using jet units charged in a blast-hole Jun 13, 2023 Issued
Array ( [id] => 19856389 [patent_doc_number] => 12259215 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-03-25 [patent_title] => Ramrod for a muzzleloading firearm [patent_app_type] => utility [patent_app_number] => 18/329046 [patent_app_country] => US [patent_app_date] => 2023-06-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 14 [patent_no_of_words] => 5372 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 186 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18329046 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/329046
Ramrod for a muzzleloading firearm Jun 4, 2023 Issued
Array ( [id] => 18831760 [patent_doc_number] => 20230400287 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-12-14 [patent_title] => DETONATION CONTROL SYSTEMS UTILIZING A SMART SAFETY PIN [patent_app_type] => utility [patent_app_number] => 18/205557 [patent_app_country] => US [patent_app_date] => 2023-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5027 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [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] => 18205557 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/205557
Detonation control systems utilizing a smart safety pin Jun 3, 2023 Issued
Array ( [id] => 18794799 [patent_doc_number] => 11828562 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-11-28 [patent_title] => Cartridge feeding system for gun [patent_app_type] => utility [patent_app_number] => 18/327476 [patent_app_country] => US [patent_app_date] => 2023-06-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 15 [patent_no_of_words] => 3381 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 134 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18327476 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/327476
Cartridge feeding system for gun May 31, 2023 Issued
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