Search

Amritbir K. Sandhu

Examiner (ID: 15953, Phone: (571)270-1894 , Office: P/2636 )

Most Active Art Unit
2636
Art Unit(s)
2613, 2636, 2634, 4174
Total Applications
785
Issued Applications
622
Pending Applications
58
Abandoned Applications
124

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 2601456 [patent_doc_number] => 04933767 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-06-12 [patent_title] => 'Video intermediate frequency signal processing circuit' [patent_app_type] => 1 [patent_app_number] => 7/296835 [patent_app_country] => US [patent_app_date] => 1989-01-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 8 [patent_figures_cnt] => 10 [patent_no_of_words] => 3718 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 243 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/933/04933767.pdf [firstpage_image] =>[orig_patent_app_number] => 296835 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/296835
Video intermediate frequency signal processing circuit Jan 12, 1989 Issued
Array ( [id] => 2477344 [patent_doc_number] => 04886999 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1989-12-12 [patent_title] => 'Cathode ray tube apparatus with quadrupole electrode structure' [patent_app_type] => 1 [patent_app_number] => 7/295883 [patent_app_country] => US [patent_app_date] => 1989-01-11 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 39 [patent_no_of_words] => 14289 [patent_no_of_claims] => 58 [patent_no_of_ind_claims] => 11 [patent_words_short_claim] => 149 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/886/04886999.pdf [firstpage_image] =>[orig_patent_app_number] => 295883 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/295883
Cathode ray tube apparatus with quadrupole electrode structure Jan 10, 1989 Issued
Array ( [id] => 2596722 [patent_doc_number] => 04970588 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-11-13 [patent_title] => 'Video monitoring apparatus with plural inputs' [patent_app_type] => 1 [patent_app_number] => 7/294674 [patent_app_country] => US [patent_app_date] => 1989-01-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 7 [patent_no_of_words] => 3781 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 191 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/970/04970588.pdf [firstpage_image] =>[orig_patent_app_number] => 294674 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/294674
Video monitoring apparatus with plural inputs Jan 8, 1989 Issued
Array ( [id] => 2625001 [patent_doc_number] => 04969034 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-11-06 [patent_title] => 'Method of signal enhancement' [patent_app_type] => 1 [patent_app_number] => 7/292384 [patent_app_country] => US [patent_app_date] => 1988-12-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 2872 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 182 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/969/04969034.pdf [firstpage_image] =>[orig_patent_app_number] => 292384 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/292384
Method of signal enhancement Dec 29, 1988 Issued
Array ( [id] => 2732330 [patent_doc_number] => 05057928 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-10-15 [patent_title] => 'Drive apparatus for liquid crystal display device utilizing a field discriminating apparatus' [patent_app_type] => 1 [patent_app_number] => 7/291766 [patent_app_country] => US [patent_app_date] => 1988-12-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 33 [patent_no_of_words] => 8198 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 306 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/057/05057928.pdf [firstpage_image] =>[orig_patent_app_number] => 291766 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/291766
Drive apparatus for liquid crystal display device utilizing a field discriminating apparatus Dec 28, 1988 Issued
Array ( [id] => 2675234 [patent_doc_number] => 04935814 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-06-19 [patent_title] => 'Picture quality indicator for satellite broadcasting receiver' [patent_app_type] => 1 [patent_app_number] => 7/291234 [patent_app_country] => US [patent_app_date] => 1988-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 11 [patent_figures_cnt] => 16 [patent_no_of_words] => 4274 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 97 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/935/04935814.pdf [firstpage_image] =>[orig_patent_app_number] => 291234 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/291234
Picture quality indicator for satellite broadcasting receiver Dec 27, 1988 Issued
Array ( [id] => 2639748 [patent_doc_number] => 04937671 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-06-26 [patent_title] => 'Digital video black expander' [patent_app_type] => 1 [patent_app_number] => 7/290783 [patent_app_country] => US [patent_app_date] => 1988-12-28 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 2 [patent_no_of_words] => 1201 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 78 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/937/04937671.pdf [firstpage_image] =>[orig_patent_app_number] => 290783 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/290783
Digital video black expander Dec 27, 1988 Issued
Array ( [id] => 2665807 [patent_doc_number] => 04979032 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-12-18 [patent_title] => 'Color imaging apparatus producing on various image receptive materials a visually matched hard copy reproduction of a video image displayed' [patent_app_type] => 1 [patent_app_number] => 7/290677 [patent_app_country] => US [patent_app_date] => 1988-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 4766 [patent_no_of_claims] => 4 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 146 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/979/04979032.pdf [firstpage_image] =>[orig_patent_app_number] => 290677 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/290677
Color imaging apparatus producing on various image receptive materials a visually matched hard copy reproduction of a video image displayed Dec 26, 1988 Issued
Array ( [id] => 2638600 [patent_doc_number] => 04958220 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-18 [patent_title] => 'Color imaging apparatus producing visually matched displays of perceptually distinct reproduced images' [patent_app_type] => 1 [patent_app_number] => 7/290676 [patent_app_country] => US [patent_app_date] => 1988-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 4 [patent_no_of_words] => 3945 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 142 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/958/04958220.pdf [firstpage_image] =>[orig_patent_app_number] => 290676 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/290676
Color imaging apparatus producing visually matched displays of perceptually distinct reproduced images Dec 26, 1988 Issued
Array ( [id] => 2610563 [patent_doc_number] => 04912558 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-03-27 [patent_title] => 'Optical image to video transfer system having enhanced resolution and contrast for dark areas of the image' [patent_app_type] => 1 [patent_app_number] => 7/290729 [patent_app_country] => US [patent_app_date] => 1988-12-27 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 19 [patent_figures_cnt] => 21 [patent_no_of_words] => 4032 [patent_no_of_claims] => 20 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 175 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/912/04912558.pdf [firstpage_image] =>[orig_patent_app_number] => 290729 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/290729
Optical image to video transfer system having enhanced resolution and contrast for dark areas of the image Dec 26, 1988 Issued
Array ( [id] => 2596846 [patent_doc_number] => 04959719 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-09-25 [patent_title] => 'Picture-in-picture television receiver control' [patent_app_type] => 1 [patent_app_number] => 7/288546 [patent_app_country] => US [patent_app_date] => 1988-12-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 4 [patent_no_of_words] => 2485 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 153 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/959/04959719.pdf [firstpage_image] =>[orig_patent_app_number] => 288546 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/288546
Picture-in-picture television receiver control Dec 20, 1988 Issued
Array ( [id] => 2713778 [patent_doc_number] => 04992863 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1991-02-12 [patent_title] => 'Colored image reading apparatus' [patent_app_type] => 1 [patent_app_number] => 7/286884 [patent_app_country] => US [patent_app_date] => 1988-12-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 16 [patent_no_of_words] => 16852 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 212 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/992/04992863.pdf [firstpage_image] =>[orig_patent_app_number] => 286884 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/286884
Colored image reading apparatus Dec 19, 1988 Issued
Array ( [id] => 2638938 [patent_doc_number] => 04977448 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-12-11 [patent_title] => 'Color image processing apparatus having exact color reproduction capability' [patent_app_type] => 1 [patent_app_number] => 7/285525 [patent_app_country] => US [patent_app_date] => 1988-12-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 10 [patent_no_of_words] => 3420 [patent_no_of_claims] => 10 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 103 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/977/04977448.pdf [firstpage_image] =>[orig_patent_app_number] => 285525 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/285525
Color image processing apparatus having exact color reproduction capability Dec 15, 1988 Issued
Array ( [id] => 2600674 [patent_doc_number] => 04941048 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-07-10 [patent_title] => 'Decoder-operated television signal switch' [patent_app_type] => 1 [patent_app_number] => 7/284036 [patent_app_country] => US [patent_app_date] => 1988-12-14 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 1 [patent_figures_cnt] => 1 [patent_no_of_words] => 1316 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/941/04941048.pdf [firstpage_image] =>[orig_patent_app_number] => 284036 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/284036
Decoder-operated television signal switch Dec 13, 1988 Issued
Array ( [id] => 2590736 [patent_doc_number] => 04908552 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-03-13 [patent_title] => 'Electronic flash unit' [patent_app_type] => 1 [patent_app_number] => 7/282872 [patent_app_country] => US [patent_app_date] => 1988-12-09 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 3558 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 5 [patent_words_short_claim] => 18 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/908/04908552.pdf [firstpage_image] =>[orig_patent_app_number] => 282872 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/282872
Electronic flash unit Dec 8, 1988 Issued
Array ( [id] => 2616749 [patent_doc_number] => 04903137 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-02-20 [patent_title] => 'Projection television receiver comprised of modular array of individual RGB projectors' [patent_app_type] => 1 [patent_app_number] => 7/280919 [patent_app_country] => US [patent_app_date] => 1988-12-06 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 6 [patent_figures_cnt] => 8 [patent_no_of_words] => 2812 [patent_no_of_claims] => 9 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 91 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/903/04903137.pdf [firstpage_image] =>[orig_patent_app_number] => 280919 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/280919
Projection television receiver comprised of modular array of individual RGB projectors Dec 5, 1988 Issued
Array ( [id] => 2601502 [patent_doc_number] => 04933769 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-06-12 [patent_title] => 'Picture display device including a staircase generator' [patent_app_type] => 1 [patent_app_number] => 7/278705 [patent_app_country] => US [patent_app_date] => 1988-12-01 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 8 [patent_no_of_words] => 4621 [patent_no_of_claims] => 7 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 214 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/933/04933769.pdf [firstpage_image] =>[orig_patent_app_number] => 278705 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/278705
Picture display device including a staircase generator Nov 30, 1988 Issued
Array ( [id] => 2675740 [patent_doc_number] => 04905086 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-02-27 [patent_title] => 'Television transmitter employing klystron with nonlinearity correction circuit' [patent_app_type] => 1 [patent_app_number] => 7/278185 [patent_app_country] => US [patent_app_date] => 1988-11-30 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 8 [patent_no_of_words] => 2255 [patent_no_of_claims] => 21 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 157 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/905/04905086.pdf [firstpage_image] =>[orig_patent_app_number] => 278185 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/278185
Television transmitter employing klystron with nonlinearity correction circuit Nov 29, 1988 Issued
Array ( [id] => 2596654 [patent_doc_number] => 04970584 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-11-13 [patent_title] => 'Method and apparatus for the compensation of color detection' [patent_app_type] => 1 [patent_app_number] => 7/277444 [patent_app_country] => US [patent_app_date] => 1988-11-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 13 [patent_no_of_words] => 8114 [patent_no_of_claims] => 6 [patent_no_of_ind_claims] => 1 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/970/04970584.pdf [firstpage_image] =>[orig_patent_app_number] => 277444 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/277444
Method and apparatus for the compensation of color detection Nov 28, 1988 Issued
Array ( [id] => 2641829 [patent_doc_number] => 04953026 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1990-08-28 [patent_title] => 'Video ghost signal cancelling circuit having variable delay lines' [patent_app_type] => 1 [patent_app_number] => 7/274772 [patent_app_country] => US [patent_app_date] => 1988-11-23 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 9 [patent_no_of_words] => 2249 [patent_no_of_claims] => 14 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 94 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/04/953/04953026.pdf [firstpage_image] =>[orig_patent_app_number] => 274772 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/274772
Video ghost signal cancelling circuit having variable delay lines Nov 22, 1988 Issued
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