US3114149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined radar and infra-red conical scanning antenna
Assignee: Lanteris Space LLC
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Filing: 1961-12-04
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Granted: 1963-12-10
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Expires: 1981-12-04
Abstract
No abstract record available.
Inventors
- 👤 Jr Frederic A Jessen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:26
CPC Classifications
H; H01; H01Q; H01Q15/00; H01Q15/0006; H01Q15/0013; G; G01; G01S; G01S13/00; G01S13/86; G01S17/00; G01S17/87; G01S3/00; G01S3/78; G01S3/782; G01S3/785; G01S3/786; H01Q3/00; H01Q3/12; H01Q3/16; H01Q3/20; H01Q5/00; H01Q5/40; H01Q5/45
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A REFLECTOR FOR DUAL FREQUENCY CONICAL SCAN SYSTEMS, SAID REFLECTOR COMPRISING A BODY PORTION WHICH IS SUBSTANTIALLY TRANSPARENT TO ENERGY AT ONE OF THE TWO FREQUENCIES OF THE DUAL FREQUENCY SYSTEM, SAID BODY PORTION BEING ADAPTED FOR ROTATION ABOUT AN AXIS, SAID BODY PORTION HAVING A CONCAVE SURFACE AND A CONVEX SURFACE, EACH OF SAID SURFACES HAVING A FOCAL POINT WHICH LIES ON A FIRST
Claim 2
Dependent Claim
65 words
A REFLECTOR FOR DUAL FREQUENCY CONICAL SCAN SYSTEMS, SAID REFLECTOR COMPRISING A BODY PORTION WHICH IS SUBSTANTIALLY TRANSPARENT TO ENERGY AT ONE OF THE TWO FREQUENCIES OF THE DUAL FREQUENCY SYSTEM, SAID BODY PORTION BEING ADAPTED FOR ROTATION ABOUT AN AXIS, SAID BODY PORTION HAVING A CONCAVE SURFACE AND A CONVEX SURFACE, EACH OF SAID SURFACES HAVING A FOCAL POINT WHICH LIES ON A FIRST
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-09 | 1967-06-10 | 1967-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-09 | 1971-06-10 | 1971-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-09 | 1975-06-10 | 1975-12-10 | $7700.00 | Window Closed / Lapsed |