Patent US3177484A successfully refreshed from Google Patents.
US3177484A
Expired / Lapsed
US
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Position indicating system
Assignee: North American Aviation Corp
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Filing: 1961-03-29
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Granted: 1965-04-06
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Expires: 1981-03-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert O Case
- 👤 Rulon G Shelley
- 👤 Jerome M Page
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:48
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/88; G01S13/91; G01S13/913
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A SYSTEM FOR PROVIDING INFORMATION FOR CONTROL OF A VEHICLE COMPRISING FIRST AND SECOND MUTUALLY SPACED TARGETS HAVING PRESELECTED POSITIONS, MONOPULSE RADAR MEANS ADAPTED TO BE CARRIED BY SAID VEHICLE FOR GENERATING SIGNALS INDICATIVE OF THE RANGE TO AT LEAST ONE OF SAID TARGETS AND THE AZIMUTH AND ELEVATION ANGLES SUBTENDED BETWEEN SAID TARGETS, AND MEANS RESPONSIVE TO SAID SIGNAL GENERATING MEANS FOR PROVIDING AN INDICATION OF THE POSITION OF THE VEHICLE WITH RESPECT TO AT LEAST ONE OF SAID TARGETS.
Claim 2
Independent Claim
81 words
A SYSTEM FOR PROVIDING INFORMATION FOR CONTROL OF A VEHICLE COMPRISING FIRST AND SECOND MUTUALLY SPACED TARGETS HAVING PRESELECTED POSITIONS, MONOPULSE RADAR MEANS ADAPTED TO BE CARRIED BY SAID VEHICLE FOR GENERATING SIGNALS INDICATIVE OF THE RANGE TO AT LEAST ONE OF SAID TARGETS AND THE AZIMUTH AND ELEVATION ANGLES SUBTENDED BETWEEN SAID TARGETS, AND MEANS RESPONSIVE TO SAID SIGNAL GENERATING MEANS FOR PROVIDING AN INDICATION OF THE POSITION OF THE VEHICLE WITH RESPECT TO AT LEAST ONE OF SAID TARGETS.
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) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |