US3141162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulse doppler tracking radar
Assignee: Unisys Corp
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Filing: 1959-10-12
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Granted: 1964-07-14
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Expires: 1979-10-12
Abstract
No abstract record available.
Inventors
- 👤 Whitfield W Moretti
- 👤 Jr Isaac R Hoxie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:29
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/66; G01S13/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
IN A PULSE DOPPLER RADAR SYSTEM INCLUDING A RECEIVER PRODUCING AN OUTPUT SIGNAL HAVING FREQUENCY COMPONENTS RELATED TO THE RADIAL VELOCITY OF A DETECTED TARGET, MEANS CONNECTED TO SAID RECEIVER FOR RESPONDING SOLELY TO A COMPONENT HAVING A FIXED FREQUENCY VALUE TO GENERATE A CONTROL SIGNAL UPON THE OCCURRENCE OF SAID COMPONENT, MEANS FOR SHIFTING THE PULSE REPETITION RATE OF SAID RADAR
Claim 2
Dependent Claim
62 words
IN A PULSE DOPPLER RADAR SYSTEM INCLUDING A RECEIVER PRODUCING AN OUTPUT SIGNAL HAVING FREQUENCY COMPONENTS RELATED TO THE RADIAL VELOCITY OF A DETECTED TARGET, MEANS CONNECTED TO SAID RECEIVER FOR RESPONDING SOLELY TO A COMPONENT HAVING A FIXED FREQUENCY VALUE TO GENERATE A CONTROL SIGNAL UPON THE OCCURRENCE OF SAID COMPONENT, MEANS FOR SHIFTING THE PULSE REPETITION RATE OF SAID RADAR
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |