US3133281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detection and ranging systems
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1960-05-16
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Granted: 1964-05-12
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Expires: 1980-05-16
Abstract
No abstract record available.
Inventors
- 👤 Richard D Young
- 👤 Melvin J Sargeant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:46
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/02; G01S13/50; G01S13/58; G01S13/581; G01S13/582; G01S13/52; G01S13/522; G01S13/524; G01S13/53; G01S13/532
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A SYSTEM FOR DERIVING INFORMATION FROM SERIAL PULSES HAVING SELECTED DURATIONS AND SELECTED INTERPULSE SPACINGS, INCLUDING THE COMBINATION OF: MEANS RESPONSIVE TO THE SERIAL PULSES FOR PROVIDING TIME-PARALLEL PULSES THERFROM; AND MEANS COUPLED TO RECEIVE THE TIME-PARALLEL PULSES FOR PROVIDING A SERIAL PULSE TRAIN INWHICH THE INDIVIDUAL PULSES ARE ADJACENT.
Claim 2
Independent Claim
50 words
A SYSTEM FOR DERIVING INFORMATION FROM SERIAL PULSES HAVING SELECTED DURATIONS AND SELECTED INTERPULSE SPACINGS, INCLUDING THE COMBINATION OF: MEANS RESPONSIVE TO THE SERIAL PULSES FOR PROVIDING TIME-PARALLEL PULSES THERFROM; AND MEANS COUPLED TO RECEIVE THE TIME-PARALLEL PULSES FOR PROVIDING A SERIAL PULSE TRAIN INWHICH THE INDIVIDUAL PULSES ARE ADJACENT.
References Cited (Backward Citations)
US2779428A
Cited
US2836359A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |