Patent US3252160A successfully refreshed from Google Patents.
US3252160A
Expired / Lapsed
US
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Microwave device
Assignee: Telefunken Patentverwertungs GmbH
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Filing: 1962-01-18
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Granted: 1966-05-17
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Expires: 1982-01-18
Abstract
No abstract record available.
Inventors
- 👤 Karger Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:21
CPC Classifications
H; H01; H01Q; H01Q21/00; H01Q21/24; H01Q13/00; H01Q13/02; H01Q19/00; H01Q19/10; H01Q19/12; H01Q19/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A MICROWAVE HORN FOR CIRCULAR AND ANY ELLIPTICAL OR NEAR POLARIZATION, COMPRISING, IN COMBINATION: (A) A HOLLOW MEMBER HAVING WALLS AND A FEED END AND A RADIATING END; (B) SAID MEMBER AT THE RADIATING END THEREOF DEFINING A RECTANGULAR APERTURE HAVING DIFFERENT VERTICAL AND HORIZONTAL DIMENSIONS AND AT LEAST ONE OF SAID WALLS BEING PARALLEL TO THE LARGER DIMENSION OF SAID APERTURE; AND (C) EACH OF THE MEMBER WALLS PARALLEL TO THE LARGER DIMENSION HAVING A CONVEX DOME FORMED THEREIN ARRANGED, SHAPED, AND DIMENSIONED TO CORRECT THE PHASE VELOCITY OF THE PROPAGATED WAVE TO FORM A SUBSTANTIALLY POINT-LIKE CENTER OF THE MAIN LOBE OF THE RADIATION PATTERN.
Claim 2
Dependent Claim
107 words
A MICROWAVE HORN FOR CIRCULAR AND ANY ELLIPTICAL OR NEAR POLARIZATION, COMPRISING, IN COMBINATION: (A) A HOLLOW MEMBER HAVING WALLS AND A FEED END AND A RADIATING END; (B) SAID MEMBER AT THE RADIATING END THEREOF DEFINING A RECTANGULAR APERTURE HAVING DIFFERENT VERTICAL AND HORIZONTAL DIMENSIONS AND AT LEAST ONE OF SAID WALLS BEING PARALLEL TO THE LARGER DIMENSION OF SAID APERTURE; AND (C) EACH OF THE MEMBER WALLS PARALLEL TO THE LARGER DIMENSION HAVING A CONVEX DOME FORMED THEREIN ARRANGED, SHAPED, AND DIMENSIONED TO CORRECT THE PHASE VELOCITY OF THE PROPAGATED WAVE TO FORM A SUBSTANTIALLY POINT-LIKE CENTER OF THE MAIN LOBE OF THE RADIATION PATTERN.
References Cited (Backward Citations)
CA574940A
Cited
US2884629A
Cited
US2712067A
Cited
US2720588A
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US2576182A
Cited
DE949493C
Cited
US3046550A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-16 | 1969-11-15 | 1970-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-16 | 1973-11-15 | 1974-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-16 | 1977-11-15 | 1978-05-17 | $7700.00 | Window Closed / Lapsed |