Search

Snigdha Maewall

Examiner (ID: 10939, Phone: (571)272-6197 , Office: P/1612 )

Most Active Art Unit
1612
Art Unit(s)
1612, 1615
Total Applications
1270
Issued Applications
627
Pending Applications
147
Abandoned Applications
534

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 17809054 [patent_doc_number] => 20220260889 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-18 [patent_title] => MID-INFRARED BROADBAND LASER USING CASCADED NONLINEARITIES IN MID-INFRARED FIBER AND NONLINEAR CRYSTAL [patent_app_type] => utility [patent_app_number] => 17/672390 [patent_app_country] => US [patent_app_date] => 2022-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 1932 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17672390 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/672390
Mid-infrared broadband laser using cascaded nonlinearities in mid-infrared fiber and nonlinear crystal Feb 14, 2022 Issued
Array ( [id] => 17643407 [patent_doc_number] => 20220171145 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-02 [patent_title] => HIGH-DENSITY OPTICAL FIBER RIBBON INTERCONNECT AND METHOD OF MAKING [patent_app_type] => utility [patent_app_number] => 17/671866 [patent_app_country] => US [patent_app_date] => 2022-02-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 11531 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -16 [patent_words_short_claim] => 83 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17671866 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/671866
High-density optical fiber ribbon interconnect and method of making Feb 14, 2022 Issued
Array ( [id] => 19306566 [patent_doc_number] => 20240235146 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2024-07-11 [patent_title] => LASER SYSTEM [patent_app_type] => utility [patent_app_number] => 18/264956 [patent_app_country] => US [patent_app_date] => 2022-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8864 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18264956 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/264956
LASER SYSTEM Feb 10, 2022 Pending
Array ( [id] => 19306566 [patent_doc_number] => 20240235146 [patent_country] => US [patent_kind] => A9 [patent_issue_date] => 2024-07-11 [patent_title] => LASER SYSTEM [patent_app_type] => utility [patent_app_number] => 18/264956 [patent_app_country] => US [patent_app_date] => 2022-02-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 8864 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [patent_words_short_claim] => 79 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18264956 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/264956
LASER SYSTEM Feb 10, 2022 Pending
Array ( [id] => 19219355 [patent_doc_number] => 20240184059 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-06 [patent_title] => OPTICAL CONNECTOR CLEANING TOOL [patent_app_type] => utility [patent_app_number] => 18/285161 [patent_app_country] => US [patent_app_date] => 2022-02-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9873 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -4 [patent_words_short_claim] => 185 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18285161 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/285161
OPTICAL CONNECTOR CLEANING TOOL Feb 9, 2022 Pending
Array ( [id] => 19143816 [patent_doc_number] => 20240142708 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-05-02 [patent_title] => COMMUNICATION MODULE FOR A SYSTEM FOR TRANSFERRING DATA BY LIGHT BEAMS AND SYSTEM FOR TRANSFERRING DATA BY LIGHT BEAMS [patent_app_type] => utility [patent_app_number] => 18/279909 [patent_app_country] => US [patent_app_date] => 2022-02-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3184 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -20 [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] => 18279909 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/279909
Communication module for a system for transferring data by light beams and system for transferring data by light beams Feb 6, 2022 Issued
Array ( [id] => 20415243 [patent_doc_number] => 12498522 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-12-16 [patent_title] => Compact dual polarization couplers for multi-core optical fibers [patent_app_type] => utility [patent_app_number] => 18/274524 [patent_app_country] => US [patent_app_date] => 2022-01-31 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 9188 [patent_no_of_claims] => 38 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 221 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18274524 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/274524
Compact dual polarization couplers for multi-core optical fibers Jan 30, 2022 Issued
Array ( [id] => 19044916 [patent_doc_number] => 11934021 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-03-19 [patent_title] => Photonic devices integrated with thermally conductive layers [patent_app_type] => utility [patent_app_number] => 17/649191 [patent_app_country] => US [patent_app_date] => 2022-01-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 23 [patent_figures_cnt] => 35 [patent_no_of_words] => 10060 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 136 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17649191 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/649191
Photonic devices integrated with thermally conductive layers Jan 26, 2022 Issued
Array ( [id] => 19949720 [patent_doc_number] => 12321081 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-06-03 [patent_title] => Photonic-crystal resonators for spontaneous optical-pulse generation [patent_app_type] => utility [patent_app_number] => 17/648913 [patent_app_country] => US [patent_app_date] => 2022-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 46 [patent_figures_cnt] => 64 [patent_no_of_words] => 13419 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 50 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17648913 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/648913
Photonic-crystal resonators for spontaneous optical-pulse generation Jan 24, 2022 Issued
Array ( [id] => 18577060 [patent_doc_number] => 11733585 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2023-08-22 [patent_title] => Optical arrangement for spectrally broadening laser pulses [patent_app_type] => utility [patent_app_number] => 17/580669 [patent_app_country] => US [patent_app_date] => 2022-01-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 7 [patent_no_of_words] => 6430 [patent_no_of_claims] => 17 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 75 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17580669 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/580669
Optical arrangement for spectrally broadening laser pulses Jan 20, 2022 Issued
Array ( [id] => 17580433 [patent_doc_number] => 20220137288 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-05-05 [patent_title] => Integrated Optical System [patent_app_type] => utility [patent_app_number] => 17/577062 [patent_app_country] => US [patent_app_date] => 2022-01-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20208 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -11 [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] => 17577062 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/577062
Integrated optical system with wavelength tuning and spatial switching Jan 16, 2022 Issued
Array ( [id] => 19537986 [patent_doc_number] => 12130538 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2024-10-29 [patent_title] => Broadband radiation generation in hollow-core fibers [patent_app_type] => utility [patent_app_number] => 17/575730 [patent_app_country] => US [patent_app_date] => 2022-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 12097 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 76 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17575730 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/575730
Broadband radiation generation in hollow-core fibers Jan 13, 2022 Issued
Array ( [id] => 18217689 [patent_doc_number] => 11592620 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2023-02-28 [patent_title] => Optical fiber combiner [patent_app_type] => utility [patent_app_number] => 17/576890 [patent_app_country] => US [patent_app_date] => 2022-01-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 8830 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 399 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17576890 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/576890
Optical fiber combiner Jan 13, 2022 Issued
Array ( [id] => 17736213 [patent_doc_number] => 20220221672 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-07-14 [patent_title] => OPTICAL PATH LENGTH ADJUSTING DEVICE [patent_app_type] => utility [patent_app_number] => 17/571617 [patent_app_country] => US [patent_app_date] => 2022-01-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4170 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 127 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17571617 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/571617
OPTICAL PATH LENGTH ADJUSTING DEVICE Jan 9, 2022 Abandoned
Array ( [id] => 17564761 [patent_doc_number] => 20220128910 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-04-28 [patent_title] => RADIATION SOURCE [patent_app_type] => utility [patent_app_number] => 17/569674 [patent_app_country] => US [patent_app_date] => 2022-01-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 18438 [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] => 17569674 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/569674
Radiation source Jan 5, 2022 Issued
Array ( [id] => 19266947 [patent_doc_number] => 20240210648 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-06-27 [patent_title] => CABLE MOUNTING CLAMPS [patent_app_type] => utility [patent_app_number] => 18/553497 [patent_app_country] => US [patent_app_date] => 2022-01-04 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7280 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 150 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18553497 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/553497
Cable mounting clamps Jan 3, 2022 Issued
Array ( [id] => 18809104 [patent_doc_number] => 20230383439 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-11-30 [patent_title] => NONLINEAR OPTICAL CRYSTAL OF GUANIDINIUM TETRAFLUOROBORATE, PREPARATION METHOD AND USE THEREOF [patent_app_type] => utility [patent_app_number] => 18/032631 [patent_app_country] => US [patent_app_date] => 2021-12-22 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4647 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -5 [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] => 18032631 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/032631
Nonlinear optical crystal of guanidinium tetrafluoroborate, preparation method and use thereof Dec 21, 2021 Issued
Array ( [id] => 20117087 [patent_doc_number] => 12366788 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-22 [patent_title] => Power-scalable optical system for nonlinear frequency conversion [patent_app_type] => utility [patent_app_number] => 18/258875 [patent_app_country] => US [patent_app_date] => 2021-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 20 [patent_figures_cnt] => 24 [patent_no_of_words] => 5874 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 261 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18258875 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/258875
Power-scalable optical system for nonlinear frequency conversion Dec 12, 2021 Issued
Array ( [id] => 18437796 [patent_doc_number] => 20230185091 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-06-15 [patent_title] => WAVEGUIDE WITH POLARIZATION VOLUME HOLOGRAM GRATING [patent_app_type] => utility [patent_app_number] => 17/549394 [patent_app_country] => US [patent_app_date] => 2021-12-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9524 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17549394 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/549394
Waveguide with polarization volume hologram grating Dec 12, 2021 Issued
Array ( [id] => 17658818 [patent_doc_number] => 20220179283 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-09 [patent_title] => ULTRA-LOW-NOISE, ON-CHIP QUANTUM DEVICES [patent_app_type] => utility [patent_app_number] => 17/545451 [patent_app_country] => US [patent_app_date] => 2021-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7494 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 30 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17545451 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/545451
Ultra-low-noise, on-chip quantum devices Dec 7, 2021 Issued
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