Search

Mustak Choudhury

Examiner (ID: 12376, Phone: (571)272-5247 , Office: P/2872 )

Most Active Art Unit
2872
Art Unit(s)
2872
Total Applications
902
Issued Applications
714
Pending Applications
84
Abandoned Applications
126

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 20337592 [patent_doc_number] => 20250341712 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-11-06 [patent_title] => APPARATUSES, SYSTEMS AND METHODS FOR SOLID IMMERSION MENISCUS LENSES [patent_app_type] => utility [patent_app_number] => 19/264544 [patent_app_country] => US [patent_app_date] => 2025-07-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5772 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -7 [patent_words_short_claim] => 167 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19264544 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/264544
Apparatuses, systems and methods for solid immersion meniscus lenses Jul 8, 2025 Issued
Array ( [id] => 20166319 [patent_doc_number] => 20250258366 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-08-14 [patent_title] => VIEWING OPTIC WITH AN INTEGRATED DISPLAY SYSTEM [patent_app_type] => utility [patent_app_number] => 19/172508 [patent_app_country] => US [patent_app_date] => 2025-04-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 30824 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 98 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19172508 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/172508
VIEWING OPTIC WITH AN INTEGRATED DISPLAY SYSTEM Apr 6, 2025 Pending
Array ( [id] => 20731411 [patent_doc_number] => 12638665 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-26 [patent_title] => Apparatus and method for confocal observation of a sample [patent_app_type] => utility [patent_app_number] => 19/087200 [patent_app_country] => US [patent_app_date] => 2025-03-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 0 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 125 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19087200 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/087200
Apparatus and method for confocal observation of a sample Mar 20, 2025 Issued
Array ( [id] => 20687970 [patent_doc_number] => 12618108 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-05-05 [patent_title] => Flow cell devices and optical systems for nucleic acid sequencing [patent_app_type] => utility [patent_app_number] => 19/016684 [patent_app_country] => US [patent_app_date] => 2025-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 144 [patent_figures_cnt] => 207 [patent_no_of_words] => 148923 [patent_no_of_claims] => 29 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 156 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 19016684 [rel_patent_id] =>[rel_patent_doc_number] =>)
19/016684
Flow cell devices and optical systems for nucleic acid sequencing Jan 9, 2025 Issued
Array ( [id] => 19891530 [patent_doc_number] => 20250116842 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-10 [patent_title] => OPTICAL ELEMENT DRIVING MECHANISM [patent_app_type] => utility [patent_app_number] => 18/907118 [patent_app_country] => US [patent_app_date] => 2024-10-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6700 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 58 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18907118 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/907118
OPTICAL ELEMENT DRIVING MECHANISM Oct 3, 2024 Pending
Array ( [id] => 19864048 [patent_doc_number] => 20250102834 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-03-27 [patent_title] => INDIUM TIN OXIDE REFLECTION CONTROL [patent_app_type] => utility [patent_app_number] => 18/893680 [patent_app_country] => US [patent_app_date] => 2024-09-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5016 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 55 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18893680 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/893680
INDIUM TIN OXIDE REFLECTION CONTROL Sep 22, 2024 Pending
Array ( [id] => 19685758 [patent_doc_number] => 20250004303 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-02 [patent_title] => ASTIGMATISM CORRECTING CONTACT LENSES [patent_app_type] => utility [patent_app_number] => 18/830986 [patent_app_country] => US [patent_app_date] => 2024-09-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 38300 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -28 [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] => 18830986 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/830986
Astigmatism correcting contact lenses Sep 10, 2024 Issued
Array ( [id] => 20583542 [patent_doc_number] => 20260069132 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-03-12 [patent_title] => METHODS AND SYSTEMS FOR DETERMINING DEPTH PERCEPTION PROFILES IN VIRTUAL VISION TESTS [patent_app_type] => utility [patent_app_number] => 18/827556 [patent_app_country] => US [patent_app_date] => 2024-09-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 30958 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 117 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18827556 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/827556
METHODS AND SYSTEMS FOR DETERMINING DEPTH PERCEPTION PROFILES IN VIRTUAL VISION TESTS Sep 5, 2024 Pending
Array ( [id] => 20137588 [patent_doc_number] => 20250244632 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-07-31 [patent_title] => CONTROL METHOD AND SYSTEM OF LITHIUM NIOBATE BASED MACH-ZEHNDER INTERFEROMETER MODULATOR [patent_app_type] => utility [patent_app_number] => 18/815449 [patent_app_country] => US [patent_app_date] => 2024-08-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1541 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -8 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18815449 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/815449
CONTROL METHOD AND SYSTEM OF LITHIUM NIOBATE BASED MACH-ZEHNDER INTERFEROMETER MODULATOR Aug 25, 2024 Pending
Array ( [id] => 19718547 [patent_doc_number] => 12204081 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-01-21 [patent_title] => Dark-field confocal microscopy measurement apparatus and method based on time-varying fractional-order vortex demodulation [patent_app_type] => utility [patent_app_number] => 18/812680 [patent_app_country] => US [patent_app_date] => 2024-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 5883 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 217 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18812680 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/812680
Dark-field confocal microscopy measurement apparatus and method based on time-varying fractional-order vortex demodulation Aug 21, 2024 Issued
Array ( [id] => 19632706 [patent_doc_number] => 20240411155 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-12 [patent_title] => STICK ON DEVICES USING PERIPHERAL DEFOCUS TO TREAT PROGRESSIVE REFRACTIVE ERROR [patent_app_type] => utility [patent_app_number] => 18/812767 [patent_app_country] => US [patent_app_date] => 2024-08-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 13299 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 104 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18812767 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/812767
STICK ON DEVICES USING PERIPHERAL DEFOCUS TO TREAT PROGRESSIVE REFRACTIVE ERROR Aug 21, 2024 Pending
Array ( [id] => 20553570 [patent_doc_number] => 20260053349 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2026-02-26 [patent_title] => SYSTEMS AND METHODS FOR EXAMINING TEAR FILM QUALITY USING HIGH-RESOLUTION IMAGERY [patent_app_type] => utility [patent_app_number] => 18/811695 [patent_app_country] => US [patent_app_date] => 2024-08-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 21128 [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] => 18811695 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/811695
SYSTEMS AND METHODS FOR EXAMINING TEAR FILM QUALITY USING HIGH-RESOLUTION IMAGERY Aug 20, 2024 Pending
Array ( [id] => 19616793 [patent_doc_number] => 20240402473 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-05 [patent_title] => ZOOM OPTICAL SYSTEM, OPTICAL APPARATUS AND METHOD FOR MANUFACTURING THE ZOOM OPTICAL SYSTEM [patent_app_type] => utility [patent_app_number] => 18/800116 [patent_app_country] => US [patent_app_date] => 2024-08-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 37694 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -14 [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] => 18800116 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/800116
ZOOM OPTICAL SYSTEM, OPTICAL APPARATUS AND METHOD FOR MANUFACTURING THE ZOOM OPTICAL SYSTEM Aug 10, 2024 Pending
Array ( [id] => 19779690 [patent_doc_number] => 12228720 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-02-18 [patent_title] => System for microscopy slide locking using a swivel mechanism and method of use thereof [patent_app_type] => utility [patent_app_number] => 18/796717 [patent_app_country] => US [patent_app_date] => 2024-08-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 12 [patent_no_of_words] => 8215 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 174 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18796717 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/796717
System for microscopy slide locking using a swivel mechanism and method of use thereof Aug 6, 2024 Issued
Array ( [id] => 19602682 [patent_doc_number] => 20240393562 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-11-28 [patent_title] => ADJUSTABLE TELESCOPE FOCUS INDICATOR [patent_app_type] => utility [patent_app_number] => 18/790950 [patent_app_country] => US [patent_app_date] => 2024-07-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 12110 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -26 [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] => 18790950 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/790950
ADJUSTABLE TELESCOPE FOCUS INDICATOR Jul 30, 2024 Pending
Array ( [id] => 19747337 [patent_doc_number] => 20250035902 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-01-30 [patent_title] => OPTICAL ANCILLARY DEVICE ATTACHED TO MICROSCOPE AND MICROSCOPE ASSEMBLY INCLUDING THE SAME [patent_app_type] => utility [patent_app_number] => 18/781639 [patent_app_country] => US [patent_app_date] => 2024-07-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6203 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -27 [patent_words_short_claim] => 93 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18781639 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/781639
OPTICAL ANCILLARY DEVICE ATTACHED TO MICROSCOPE AND MICROSCOPE ASSEMBLY INCLUDING THE SAME Jul 22, 2024 Pending
Array ( [id] => 19896612 [patent_doc_number] => 12274503 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2025-04-15 [patent_title] => Myopia ocular predictive technology and integrated characterization system [patent_app_type] => utility [patent_app_number] => 18/778027 [patent_app_country] => US [patent_app_date] => 2024-07-19 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 33 [patent_figures_cnt] => 37 [patent_no_of_words] => 30482 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 282 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18778027 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/778027
Myopia ocular predictive technology and integrated characterization system Jul 18, 2024 Issued
Array ( [id] => 19547956 [patent_doc_number] => 20240364992 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-10-31 [patent_title] => CAMERA SUB-ASSEMBLY FOR VEHICULAR CAMERA [patent_app_type] => utility [patent_app_number] => 18/765552 [patent_app_country] => US [patent_app_date] => 2024-07-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6637 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -89 [patent_words_short_claim] => 576 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18765552 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/765552
CAMERA SUB-ASSEMBLY FOR VEHICULAR CAMERA Jul 7, 2024 Pending
Array ( [id] => 19660077 [patent_doc_number] => 20240427142 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-26 [patent_title] => EXTENDED REALITY GLASS DEVICE AND DISPLAY APPARATUS THEREOF [patent_app_type] => utility [patent_app_number] => 18/749139 [patent_app_country] => US [patent_app_date] => 2024-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5154 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18749139 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/749139
EXTENDED REALITY GLASS DEVICE AND DISPLAY APPARATUS THEREOF Jun 19, 2024 Pending
Array ( [id] => 19644475 [patent_doc_number] => 20240418995 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-12-19 [patent_title] => DISPLAY DEVICE [patent_app_type] => utility [patent_app_number] => 18/732940 [patent_app_country] => US [patent_app_date] => 2024-06-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6273 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18732940 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/732940
DISPLAY DEVICE Jun 3, 2024 Pending
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