Patent US3076191A successfully refreshed from Google Patents.
US3076191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radar system
Assignee: Melpar Inc
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Filing: 1955-03-29
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Granted: 1963-01-29
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Expires: 1975-03-29
Abstract
No abstract record available.
Inventors
- 👤 Richard E Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:09
CPC Classifications
F; F42; F42C; F42C13/00; F42C13/04; G; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/08; G01S13/10; G01S13/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A TARGET PROXIMITY SENSING DEVICE, COMPRISING TRANSMITTER MEANS FOR GENERATING FIRST CARRIER SIGNALS, PULSE GENERATING MEANS, MEANS RESPONSIVE TO SAID PULSE GENERATING MEANS FOR RENDERING SAID TRANSMITTER MEANS ALTERNATELY ACTIVE AND QUIESCENT, FIRST MEANS FOR RADIATING SAID CARRIER SIGNALS TO A REMOTE TARGET WHILE SAID TRANSMITTER IS ACTIVE AND FOR RECEIVING SECOND CARRIER SIGNALS REFLECTED FROM SAID TARGET, AND DETECTOR MEANS FOR DETECTING THE SIMULTANEOUS PRESENCE ONLY OF THE RADIATED AND SECOND CARRIER SIGNALS AT SAID PROXIMITY SENSING DEVICE, AND HAV-
Claim 2
Dependent Claim
81 words
A TARGET PROXIMITY SENSING DEVICE, COMPRISING TRANSMITTER MEANS FOR GENERATING FIRST CARRIER SIGNALS, PULSE GENERATING MEANS, MEANS RESPONSIVE TO SAID PULSE GENERATING MEANS FOR RENDERING SAID TRANSMITTER MEANS ALTERNATELY ACTIVE AND QUIESCENT, FIRST MEANS FOR RADIATING SAID CARRIER SIGNALS TO A REMOTE TARGET WHILE SAID TRANSMITTER IS ACTIVE AND FOR RECEIVING SECOND CARRIER SIGNALS REFLECTED FROM SAID TARGET, AND DETECTOR MEANS FOR DETECTING THE SIMULTANEOUS PRESENCE ONLY OF THE RADIATED AND SECOND CARRIER SIGNALS AT SAID PROXIMITY SENSING DEVICE, AND HAV-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |