Search

Sultan U. Chowdhury

Examiner (ID: 10205, Phone: (571)270-3336 , Office: P/2882 )

Most Active Art Unit
2882
Art Unit(s)
2878, 2882
Total Applications
1739
Issued Applications
1547
Pending Applications
93
Abandoned Applications
149

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 11863368 [patent_doc_number] => 09743076 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-08-22 [patent_title] => 'Optical systems with compact back focal lengths' [patent_app_type] => utility [patent_app_number] => 14/997424 [patent_app_country] => US [patent_app_date] => 2016-01-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5009 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 73 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14997424 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/997424
Optical systems with compact back focal lengths Jan 14, 2016 Issued
Array ( [id] => 11014695 [patent_doc_number] => 20160211648 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-07-21 [patent_title] => 'LIGHT SOURCE DEVICE AND PROJECTOR' [patent_app_type] => utility [patent_app_number] => 14/990002 [patent_app_country] => US [patent_app_date] => 2016-01-07 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 6677 [patent_no_of_claims] => 16 [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] =>[firstpage_image] =>[orig_patent_app_number] => 14990002 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/990002
LIGHT SOURCE DEVICE AND PROJECTOR Jan 6, 2016 Abandoned
Array ( [id] => 12153165 [patent_doc_number] => 20180024429 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-01-25 [patent_title] => 'HIGH CONTRAST DISCRETE INPUT PRISM FOR IMAGE PROJECTORS' [patent_app_type] => utility [patent_app_number] => 15/540946 [patent_app_country] => US [patent_app_date] => 2015-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 13 [patent_figures_cnt] => 13 [patent_no_of_words] => 4802 [patent_no_of_claims] => 21 [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] => 15540946 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/540946
High contrast discrete input prism for image projectors Dec 20, 2015 Issued
Array ( [id] => 13375159 [patent_doc_number] => 20180239121 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2018-08-23 [patent_title] => ELECTROMAGNETIC AND SOLAR ENERGY CONCENTRATOR [patent_app_type] => utility [patent_app_number] => 15/537651 [patent_app_country] => US [patent_app_date] => 2015-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 0 [patent_figures_cnt] => 0 [patent_no_of_words] => 808 [patent_no_of_claims] => 0 [patent_no_of_ind_claims] => -10 [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] => 15537651 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/537651
ELECTROMAGNETIC AND SOLAR ENERGY CONCENTRATOR Dec 17, 2015 Abandoned
Array ( [id] => 11133440 [patent_doc_number] => 20160330416 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-11-10 [patent_title] => 'Projection Method, Projection Apparatus and Electronic Device' [patent_app_type] => utility [patent_app_number] => 14/974504 [patent_app_country] => US [patent_app_date] => 2015-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 7 [patent_no_of_words] => 8107 [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] => 14974504 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/974504
Projection method, projection apparatus and electronic device Dec 17, 2015 Issued
Array ( [id] => 10998778 [patent_doc_number] => 20160195725 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-07-07 [patent_title] => 'WEARABLE AUDIO-VISUAL DEVICE' [patent_app_type] => utility [patent_app_number] => 14/974828 [patent_app_country] => US [patent_app_date] => 2015-12-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 3296 [patent_no_of_claims] => 10 [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] => 14974828 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/974828
WEARABLE AUDIO-VISUAL DEVICE Dec 17, 2015 Abandoned
Array ( [id] => 12014017 [patent_doc_number] => 09807355 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-10-31 [patent_title] => 'Light source apparatus and projector having light source apparatus' [patent_app_type] => utility [patent_app_number] => 14/967617 [patent_app_country] => US [patent_app_date] => 2015-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 10 [patent_figures_cnt] => 18 [patent_no_of_words] => 13096 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14967617 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/967617
Light source apparatus and projector having light source apparatus Dec 13, 2015 Issued
Array ( [id] => 10827672 [patent_doc_number] => 20160173842 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-16 [patent_title] => 'Camera-Assisted Two Dimensional Keystone Correction' [patent_app_type] => utility [patent_app_number] => 14/967035 [patent_app_country] => US [patent_app_date] => 2015-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 10378 [patent_no_of_claims] => 10 [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] => 14967035 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/967035
Camera-assisted two dimensional keystone correction Dec 10, 2015 Issued
Array ( [id] => 10827671 [patent_doc_number] => 20160173841 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-06-16 [patent_title] => 'Camera Assisted Two Dimensional Keystone Correction' [patent_app_type] => utility [patent_app_number] => 14/966977 [patent_app_country] => US [patent_app_date] => 2015-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 12 [patent_no_of_words] => 10389 [patent_no_of_claims] => 14 [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] => 14966977 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/966977
Camera assisted two dimensional keystone correction Dec 10, 2015 Issued
Array ( [id] => 14176999 [patent_doc_number] => 10262519 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-04-16 [patent_title] => Lighting apparatus [patent_app_type] => utility [patent_app_number] => 15/538675 [patent_app_country] => US [patent_app_date] => 2015-12-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 26 [patent_figures_cnt] => 26 [patent_no_of_words] => 16528 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 82 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15538675 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/538675
Lighting apparatus Dec 10, 2015 Issued
Array ( [id] => 11598209 [patent_doc_number] => 09645371 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-05-09 [patent_title] => 'Projection optical system and projector apparatus' [patent_app_type] => utility [patent_app_number] => 14/962469 [patent_app_country] => US [patent_app_date] => 2015-12-08 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 63 [patent_figures_cnt] => 64 [patent_no_of_words] => 19218 [patent_no_of_claims] => 16 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 114 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14962469 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/962469
Projection optical system and projector apparatus Dec 7, 2015 Issued
Array ( [id] => 13016441 [patent_doc_number] => 10031335 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2018-07-24 [patent_title] => Unpowered augmented reality projection accessory display device [patent_app_type] => utility [patent_app_number] => 14/954773 [patent_app_country] => US [patent_app_date] => 2015-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 27 [patent_figures_cnt] => 27 [patent_no_of_words] => 12309 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 53 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14954773 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/954773
Unpowered augmented reality projection accessory display device Nov 29, 2015 Issued
Array ( [id] => 11889436 [patent_doc_number] => 09759994 [patent_country] => US [patent_kind] => B1 [patent_issue_date] => 2017-09-12 [patent_title] => 'Automatic projection focusing' [patent_app_type] => utility [patent_app_number] => 14/949276 [patent_app_country] => US [patent_app_date] => 2015-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 6 [patent_no_of_words] => 5671 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 80 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14949276 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/949276
Automatic projection focusing Nov 22, 2015 Issued
Array ( [id] => 14824057 [patent_doc_number] => 10409031 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2019-09-10 [patent_title] => Image projection apparatus [patent_app_type] => utility [patent_app_number] => 15/777095 [patent_app_country] => US [patent_app_date] => 2015-11-18 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 19 [patent_no_of_words] => 6251 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 240 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15777095 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/777095
Image projection apparatus Nov 17, 2015 Issued
Array ( [id] => 11598239 [patent_doc_number] => 09645404 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-05-09 [patent_title] => 'Low-profile bounce chamber for Pepper\'s Ghost Illusion' [patent_app_type] => utility [patent_app_number] => 14/939798 [patent_app_country] => US [patent_app_date] => 2015-11-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 24 [patent_figures_cnt] => 24 [patent_no_of_words] => 3952 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 137 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14939798 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/939798
Low-profile bounce chamber for Pepper's Ghost Illusion Nov 11, 2015 Issued
Array ( [id] => 11576974 [patent_doc_number] => 09632224 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-04-25 [patent_title] => 'Broadband, selectively-absorptive wire grid polarizer' [patent_app_type] => utility [patent_app_number] => 14/937488 [patent_app_country] => US [patent_app_date] => 2015-11-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 8 [patent_no_of_words] => 4566 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 81 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14937488 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/937488
Broadband, selectively-absorptive wire grid polarizer Nov 9, 2015 Issued
Array ( [id] => 11116002 [patent_doc_number] => 20160312975 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2016-10-27 [patent_title] => 'ILLUMINATION UNIT, PROJECTION DISPLAY UNIT, AND DIRECT-VIEW DISPLAY UNIT' [patent_app_type] => utility [patent_app_number] => 14/934578 [patent_app_country] => US [patent_app_date] => 2015-11-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 28 [patent_figures_cnt] => 28 [patent_no_of_words] => 23477 [patent_no_of_claims] => 22 [patent_no_of_ind_claims] => 4 [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] => 14934578 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/934578
Illumination unit, projection display unit, and direct-view display unit Nov 5, 2015 Issued
Array ( [id] => 13087483 [patent_doc_number] => 10063819 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2018-08-28 [patent_title] => Projection optical system and projector [patent_app_type] => utility [patent_app_number] => 15/522120 [patent_app_country] => US [patent_app_date] => 2015-10-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 17 [patent_no_of_words] => 7450 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 6 [patent_words_short_claim] => 144 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 15522120 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/522120
Projection optical system and projector Oct 29, 2015 Issued
Array ( [id] => 12003813 [patent_doc_number] => 20170307967 [patent_country] => US [patent_kind] => A1 [patent_issue_date] => 2017-10-26 [patent_title] => 'OPTICAL COMPENSATION ELEMENT ADJUSTING MECHANISM AND PROJECTOR' [patent_app_type] => utility [patent_app_number] => 15/518343 [patent_app_country] => US [patent_app_date] => 2015-10-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 22 [patent_figures_cnt] => 22 [patent_no_of_words] => 16610 [patent_no_of_claims] => 16 [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] => 15518343 [rel_patent_id] =>[rel_patent_doc_number] =>)
15/518343
Optical compensation element adjusting mechanism and projector Oct 22, 2015 Issued
Array ( [id] => 11390640 [patent_doc_number] => 09551879 [patent_country] => US [patent_kind] => B2 [patent_issue_date] => 2017-01-24 [patent_title] => 'Optical mechanism' [patent_app_type] => utility [patent_app_number] => 14/883712 [patent_app_country] => US [patent_app_date] => 2015-10-15 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 8 [patent_no_of_words] => 2103 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] =>[firstpage_image] =>[orig_patent_app_number] => 14883712 [rel_patent_id] =>[rel_patent_doc_number] =>)
14/883712
Optical mechanism Oct 14, 2015 Issued
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