Search

Timothy P. Callahan

Director (ID: 5413, Phone: (571)272-4066 , Office: P/2400 )

Most Active Art Unit
2504
Art Unit(s)
2899, 2504, 2816
Total Applications
793
Issued Applications
652
Pending Applications
7
Abandoned Applications
134
Applications
StatisticsSubscription-Only

Applications

Application numberTitle of the applicationFiling DateStatus
Array ( [id] => 3041267 [patent_doc_number] => 05300838 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-04-05 [patent_title] => 'Agile bandpass filter' [patent_app_type] => 1 [patent_app_number] => 7/886011 [patent_app_country] => US [patent_app_date] => 1992-05-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 5 [patent_figures_cnt] => 16 [patent_no_of_words] => 3810 [patent_no_of_claims] => 8 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 210 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/300/05300838.pdf [firstpage_image] =>[orig_patent_app_number] => 886011 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/886011 		Agile bandpass filter May 19, 1992 Issued
Array ( [id] => 2955069 [patent_doc_number] => 05262690 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-11-16 [patent_title] => 'Variable delay clock circuit' [patent_app_type] => 1 [patent_app_number] => 7/875495 [patent_app_country] => US [patent_app_date] => 1992-04-29 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1528 [patent_no_of_claims] => 5 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 201 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/262/05262690.pdf [firstpage_image] =>[orig_patent_app_number] => 875495 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/875495 		Variable delay clock circuit Apr 28, 1992 Issued
07/874212 HIGH-SPEED ELECTRONIC CIRCUIT HAVING A CASCODE CONFIGURATION Apr 26, 1992 Abandoned
Array ( [id] => 3033569 [patent_doc_number] => 05317278 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-05-31 [patent_title] => 'Switched active fault locate filter' [patent_app_type] => 1 [patent_app_number] => 7/873599 [patent_app_country] => US [patent_app_date] => 1992-04-21 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 1968 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 45 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/317/05317278.pdf [firstpage_image] =>[orig_patent_app_number] => 873599 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/873599 		Switched active fault locate filter Apr 20, 1992 Issued
07/867122 SIGNAL PROCESSING APPARATUS Apr 9, 1992 Abandoned
07/862796 SINUSOIDAL RADIO-FREQUENCY CLOCK DISTRIBUTION SYSTEM FOR SYNCHRONIZATION OF A COMPUTER SYSTEM Apr 2, 1992 Abandoned
Array ( [id] => 3100941 [patent_doc_number] => 05298813 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-29 [patent_title] => 'Polar leapfrog filter' [patent_app_type] => 1 [patent_app_number] => 7/863413 [patent_app_country] => US [patent_app_date] => 1992-04-03 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 9 [patent_figures_cnt] => 13 [patent_no_of_words] => 3273 [patent_no_of_claims] => 3 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 196 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/298/05298813.pdf [firstpage_image] =>[orig_patent_app_number] => 863413 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/863413 		Polar leapfrog filter Apr 2, 1992 Issued
07/857732 CIRCUIT AND METHOD FOR THE DETECTION OF A HIGH THRESHOLD SUPPLY VOLTAGE Mar 25, 1992 Abandoned
Array ( [id] => 3100773 [patent_doc_number] => 05293086 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-08 [patent_title] => 'Polar leapfrog filter' [patent_app_type] => 1 [patent_app_number] => 7/858063 [patent_app_country] => US [patent_app_date] => 1992-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 7 [patent_figures_cnt] => 13 [patent_no_of_words] => 3223 [patent_no_of_claims] => 2 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 160 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/293/05293086.pdf [firstpage_image] =>[orig_patent_app_number] => 858063 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/858063 		Polar leapfrog filter Mar 25, 1992 Issued
Array ( [id] => 3080460 [patent_doc_number] => 05296763 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1994-03-22 [patent_title] => 'Polar leapfrog filter' [patent_app_type] => 1 [patent_app_number] => 7/858010 [patent_app_country] => US [patent_app_date] => 1992-03-26 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 12 [patent_figures_cnt] => 20 [patent_no_of_words] => 4149 [patent_no_of_claims] => 7 [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] => patents/05/296/05296763.pdf [firstpage_image] =>[orig_patent_app_number] => 858010 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/858010 		Polar leapfrog filter Mar 25, 1992 Issued
Array ( [id] => 2991674 [patent_doc_number] => 05212409 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-05-18 [patent_title] => 'Analog-to-digital converter latch circuit' [patent_app_type] => 1 [patent_app_number] => 7/851115 [patent_app_country] => US [patent_app_date] => 1992-03-16 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 3 [patent_no_of_words] => 2886 [patent_no_of_claims] => 4 [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/05/212/05212409.pdf [firstpage_image] =>[orig_patent_app_number] => 851115 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/851115 		Analog-to-digital converter latch circuit Mar 15, 1992 Issued
Array ( [id] => 2980749 [patent_doc_number] => 05225723 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-07-06 [patent_title] => 'Circuitry for the timing data output enable pulses' [patent_app_type] => 1 [patent_app_number] => 7/851268 [patent_app_country] => US [patent_app_date] => 1992-03-13 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 4 [patent_figures_cnt] => 11 [patent_no_of_words] => 2519 [patent_no_of_claims] => 13 [patent_no_of_ind_claims] => 4 [patent_words_short_claim] => 138 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/225/05225723.pdf [firstpage_image] =>[orig_patent_app_number] => 851268 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/851268 		Circuitry for the timing data output enable pulses Mar 12, 1992 Issued
Array ( [id] => 2916869 [patent_doc_number] => 05237224 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-17 [patent_title] => 'Variable self-correcting digital delay circuit' [patent_app_type] => 1 [patent_app_number] => 7/850215 [patent_app_country] => US [patent_app_date] => 1992-03-12 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 3 [patent_figures_cnt] => 5 [patent_no_of_words] => 4402 [patent_no_of_claims] => 12 [patent_no_of_ind_claims] => 2 [patent_words_short_claim] => 193 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/237/05237224.pdf [firstpage_image] =>[orig_patent_app_number] => 850215 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/850215 		Variable self-correcting digital delay circuit Mar 11, 1992 Issued
Array ( [id] => 2936410 [patent_doc_number] => 05233232 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1993-08-03 [patent_title] => 'Glitch trigger circuit' [patent_app_type] => 1 [patent_app_number] => 7/848773 [patent_app_country] => US [patent_app_date] => 1992-03-10 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 16 [patent_figures_cnt] => 22 [patent_no_of_words] => 10562 [patent_no_of_claims] => 19 [patent_no_of_ind_claims] => 3 [patent_words_short_claim] => 200 [patent_maintenance] => 1 [patent_no_of_assignments] => 0 [patent_current_assignee] =>[type] => patent [pdf_file] => patents/05/233/05233232.pdf [firstpage_image] =>[orig_patent_app_number] => 848773 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/848773 		Glitch trigger circuit Mar 9, 1992 Issued
07/844066 CLOCK GENERATOR WITH PROGRAMMABLE NON-OVERLAPPING-CLOCK-EDGE CAPABILITY Mar 1, 1992 Abandoned
Array ( [id] => 2865154 [patent_doc_number] => 05166630 [patent_country] => US [patent_kind] => NA [patent_issue_date] => 1992-11-24 [patent_title] => 'Low current switched capacitor circuit' [patent_app_type] => 1 [patent_app_number] => 7/840671 [patent_app_country] => US [patent_app_date] => 1992-02-20 [patent_effective_date] => 0000-00-00 [patent_drawing_sheets_cnt] => 2 [patent_figures_cnt] => 2 [patent_no_of_words] => 1831 [patent_no_of_claims] => 10 [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] => patents/05/166/05166630.pdf [firstpage_image] =>[orig_patent_app_number] => 840671 [rel_patent_id] =>[rel_patent_doc_number] =>)
07/840671 		Low current switched capacitor circuit Feb 19, 1992 Issued
90/002556 METHOD FOR DESIGNING PASS TRANSISTOR ASYNCHRONOUS SEQUENTIAL CIRCUITS Feb 18, 1992 Issued
90/002558 DATA TRANSMISSION SYSTEM Feb 17, 1992 Issued
90/002560 HIGH SPEED DIGITAL COMPUTER DATA TRANSFER SYSTEM HAVING REDUCED BUS STATE TRANSITION TIME Feb 17, 1992 Issued
90/002582 ELECTROMAGNETIC OR OTHER DIRECTED ENERGY PULSE LAUNCHER Feb 13, 1992 Issued
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