Search

Derek S. Chapel

Examiner (ID: 5094, Phone: (571)272-8042 , Office: P/2872 )

Most Active Art Unit
2872
Art Unit(s)
2872
Total Applications
1327
Issued Applications
895
Pending Applications
81
Abandoned Applications
367

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 19390870 [patent_doc_number] => 20240280740 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => OPTICAL FILMS FOR DISPLAY SYSTEMS [patent_app_type] => utility [patent_app_number] => 18/570774 [patent_app_country] => US [patent_app_date] => 2022-06-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3611 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -13 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18570774 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/570774
OPTICAL FILMS FOR DISPLAY SYSTEMS Jun 19, 2022 Pending
Array ( [id] => 21011764 [patent_doc_number] => 12748245 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-09-29 [patent_title] => Optical film, backlight, and display [patent_app_type] => utility [patent_app_number] => 18/570767 [patent_app_country] => US [patent_app_date] => 2022-06-17 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 12 [patent_no_of_words] => 5713 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 215 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18570767 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/570767
OPTICAL FILM, BACKLIGHT, AND DISPLAY Jun 16, 2022 Pending
Array ( [id] => 18727312 [patent_doc_number] => 20230341598 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-26 [patent_title] => SURFACE LIGHT SOURCE PROJECTION DEVICE WITH IMPROVED ZERO-ORDER DIFFRACTION [patent_app_type] => utility [patent_app_number] => 17/841709 [patent_app_country] => US [patent_app_date] => 2022-06-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7953 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [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] => 17841709 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/841709
Surface light source projection device with improved zero-order diffraction Jun 15, 2022 Issued
Array ( [id] => 19382581 [patent_doc_number] => 20240272451 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-15 [patent_title] => Optical System and Method for Image Stabilization of such an Optical System [patent_app_type] => utility [patent_app_number] => 18/570127 [patent_app_country] => US [patent_app_date] => 2022-06-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 5941 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [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] => 18570127 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/570127
Optical System and Method for Image Stabilization of such an Optical System Jun 13, 2022 Abandoned
Array ( [id] => 19985259 [patent_doc_number] => 20250123481 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2025-04-17 [patent_title] => OPTICAL SYSTEM FOR EYE TRACKING [patent_app_type] => utility [patent_app_number] => 18/569651 [patent_app_country] => US [patent_app_date] => 2022-06-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6570 [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] => 18569651 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/569651
OPTICAL SYSTEM FOR EYE TRACKING Jun 7, 2022 Pending
Array ( [id] => 17898662 [patent_doc_number] => 20220308324 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-29 [patent_title] => VARIABLE MAGNIFICATION OPTICAL SYSTEM, OPTICAL APPARATUS AND METHOD FOR MANUFACTURING VARIABLE MAGNIFICATION OPTICAL SYSTEM [patent_app_type] => utility [patent_app_number] => 17/833892 [patent_app_country] => US [patent_app_date] => 2022-06-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 34779 [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] => 17833892 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/833892
VARIABLE MAGNIFICATION OPTICAL SYSTEM, OPTICAL APPARATUS AND METHOD FOR MANUFACTURING VARIABLE MAGNIFICATION OPTICAL SYSTEM Jun 5, 2022 Abandoned
Array ( [id] => 19390859 [patent_doc_number] => 20240280729 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-08-22 [patent_title] => OPTICAL LAMINATE, POLARIZER, IMAGE DISPLAY DEVICE, AND METHOD FOR MANUFACTURING OPTICAL LAMINATE [patent_app_type] => utility [patent_app_number] => 18/567828 [patent_app_country] => US [patent_app_date] => 2022-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16138 [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] => 18567828 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/567828
OPTICAL LAMINATE, POLARIZER, IMAGE DISPLAY DEVICE, AND METHOD FOR MANUFACTURING OPTICAL LAMINATE May 22, 2022 Pending
Array ( [id] => 19302395 [patent_doc_number] => 20240230972 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2024-07-11 [patent_title] => DAYTIME RADIATIVE DEVICE [patent_app_type] => utility [patent_app_number] => 18/563525 [patent_app_country] => US [patent_app_date] => 2022-05-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 20139 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -9 [patent_words_short_claim] => 64 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18563525 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/563525
DAYTIME RADIATIVE DEVICE May 22, 2022 Pending
Array ( [id] => 20109672 [patent_doc_number] => 12360386 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-07-15 [patent_title] => Camera with tilt compensation [patent_app_type] => utility [patent_app_number] => 17/664351 [patent_app_country] => US [patent_app_date] => 2022-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 28 [patent_no_of_words] => 3353 [patent_no_of_claims] => 18 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 255 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17664351 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/664351
Camera with tilt compensation May 19, 2022 Issued
Array ( [id] => 17808927 [patent_doc_number] => 20220260762 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-08-18 [patent_title] => ENCAPSULATED DIFFUSER [patent_app_type] => utility [patent_app_number] => 17/737198 [patent_app_country] => US [patent_app_date] => 2022-05-05 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3317 [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] => 17737198 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/737198
Encapsulated diffuser May 4, 2022 Issued
Array ( [id] => 20550009 [patent_doc_number] => 12560795 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2026-02-24 [patent_title] => Microscope system and corresponding control system, method and computer program [patent_app_type] => utility [patent_app_number] => 17/659848 [patent_app_country] => US [patent_app_date] => 2022-04-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 6 [patent_no_of_words] => 2785 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 124 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17659848 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/659848
Microscope system and corresponding control system, method and computer program Apr 19, 2022 Issued
Array ( [id] => 17946879 [patent_doc_number] => 20220333898 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-10-20 [patent_title] => HIGH CLARITY RIFLE DISPLAY BEAM SPLITTER [patent_app_type] => utility [patent_app_number] => 17/720384 [patent_app_country] => US [patent_app_date] => 2022-04-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6718 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [patent_words_short_claim] => 119 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17720384 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/720384
HIGH CLARITY RIFLE DISPLAY BEAM SPLITTER Apr 13, 2022 Pending
Array ( [id] => 18677036 [patent_doc_number] => 20230314673 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-10-05 [patent_title] => OPTICAL FILM HAVING MICRO-STRUCTURE AND DISPLAY DEVICE USING THE SAME [patent_app_type] => utility [patent_app_number] => 17/657130 [patent_app_country] => US [patent_app_date] => 2022-03-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 7784 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -19 [patent_words_short_claim] => 84 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17657130 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/657130
Optical film having micro-structure and display device using the same Mar 29, 2022 Issued
Array ( [id] => 17884270 [patent_doc_number] => 20220299747 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-22 [patent_title] => CRAYFORD FOCUSER FOR ASTRONOMICAL TELESCOPES [patent_app_type] => utility [patent_app_number] => 17/698015 [patent_app_country] => US [patent_app_date] => 2022-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 3541 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -17 [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] => 17698015 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/698015
Crayford focuser for astronomical telescopes Mar 17, 2022 Issued
Array ( [id] => 17884271 [patent_doc_number] => 20220299748 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-09-22 [patent_title] => Scope Mount [patent_app_type] => utility [patent_app_number] => 17/698923 [patent_app_country] => US [patent_app_date] => 2022-03-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 6559 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -18 [patent_words_short_claim] => 26 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17698923 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/698923
Scope mount Mar 17, 2022 Issued
Array ( [id] => 17689606 [patent_doc_number] => 20220196899 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-23 [patent_title] => WIDE-ANGLE COMPENSATION OF UNIAXIAL RETARDER STACKS [patent_app_type] => utility [patent_app_number] => 17/693342 [patent_app_country] => US [patent_app_date] => 2022-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 4835 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -15 [patent_words_short_claim] => 92 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17693342 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/693342
Wide-angle compensation of uniaxial retarder stacks Mar 11, 2022 Issued
Array ( [id] => 17658756 [patent_doc_number] => 20220179221 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2022-06-09 [patent_title] => SUBSTRATE-GUIDE OPTICAL DEVICE [patent_app_type] => utility [patent_app_number] => 17/682067 [patent_app_country] => US [patent_app_date] => 2022-02-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 9805 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -2 [patent_words_short_claim] => 178 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17682067 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/682067
SUBSTRATE-GUIDE OPTICAL DEVICE Feb 27, 2022 Abandoned
Array ( [id] => 19732178 [patent_doc_number] => 12210172 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-01-28 [patent_title] => Diffuser combining a multi-faceted surface and a lens-covered surface to provide specific light distributions [patent_app_type] => utility [patent_app_number] => 18/547858 [patent_app_country] => US [patent_app_date] => 2022-02-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 20 [patent_no_of_words] => 10991 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 224 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 18547858 [rel_patent_id] =>[rel_patent_doc_number] =>)
18/547858
Diffuser combining a multi-faceted surface and a lens-covered surface to provide specific light distributions Feb 17, 2022 Issued
Array ( [id] => 18613955 [patent_doc_number] => 20230280692 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2023-09-07 [patent_title] => Totagraphy: Coherent Diffractive/Digital Information Reconstruction by Iterative Phase Recovery Using a Second Camera Imaging the Input Plane [patent_app_type] => utility [patent_app_number] => 17/587561 [patent_app_country] => US [patent_app_date] => 2022-01-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 16957 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -23 [patent_words_short_claim] => 234 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => publication [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 17587561 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/587561
Totagraphy: coherent diffractive/digital information reconstruction by iterative phase recovery using a second camera imaging the input plane Jan 27, 2022 Issued
Array ( [id] => 20358522 [patent_doc_number] => 12474514 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2025-11-18 [patent_title] => Optical camouflage filters [patent_app_type] => utility [patent_app_number] => 17/583553 [patent_app_country] => US [patent_app_date] => 2022-01-25 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 21 [patent_figures_cnt] => 50 [patent_no_of_words] => 13576 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 1 [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] => 17583553 [rel_patent_id] =>[rel_patent_doc_number] =>)
17/583553
Optical camouflage filters Jan 24, 2022 Issued
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