US3100894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual frequency feed horn
Assignee: Bendix Corp
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Filing: 1960-03-09
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Granted: 1963-08-13
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Expires: 1980-03-09
Abstract
No abstract record available.
Inventors
- 👤 Giller Morris
- 👤 John G Neuberth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:07
CPC Classifications
H; H01; H01Q; H01Q13/00; H01Q13/02; H01Q13/025; H01Q13/0258; H01Q5/00; H01Q5/40; H01Q5/45
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A DUAL FREQUENCY ANTENNA COMPRISING A RECTANGULAR WAVEGUIDE, A RECTANGULAR HORN COUPLED TO SAID WAVEGUIDE AND HAVING AT LEAST TWO OPPOSITE SIDE WALLS DIVERGING, A SET OF SPACED PARALLEL CONDUCTIVE PLATES PROJECTING INWARDLY FROM EACH DIVERGENT WALL OF SAID HORN, SAID PLATES BEING WEDGE-SHAPED AND POSITIONED IN PLANES PARALLEL TO THE AXIS OF PROPAGATION OF SAID HORN WITH THE WIDE END OF SAID WEDGES ADJACENT THE APERTURE OF SAID HORN, A SECOND SET OF SPACED PARALLEL CONDUCTIVE PLATES PROJECTING INWARDLY FROM THE WALLS OF SAID WAVEGUIDE AND POSITIONED IN PLANES PARALLEL WITH THE PLANES OF SAID PLATES
Claim 2
Dependent Claim
97 words
A DUAL FREQUENCY ANTENNA COMPRISING A RECTANGULAR WAVEGUIDE, A RECTANGULAR HORN COUPLED TO SAID WAVEGUIDE AND HAVING AT LEAST TWO OPPOSITE SIDE WALLS DIVERGING, A SET OF SPACED PARALLEL CONDUCTIVE PLATES PROJECTING INWARDLY FROM EACH DIVERGENT WALL OF SAID HORN, SAID PLATES BEING WEDGE-SHAPED AND POSITIONED IN PLANES PARALLEL TO THE AXIS OF PROPAGATION OF SAID HORN WITH THE WIDE END OF SAID WEDGES ADJACENT THE APERTURE OF SAID HORN, A SECOND SET OF SPACED PARALLEL CONDUCTIVE PLATES PROJECTING INWARDLY FROM THE WALLS OF SAID WAVEGUIDE AND POSITIONED IN PLANES PARALLEL WITH THE PLANES OF SAID PLATES
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) | 1966-08-12 | 1967-02-11 | 1967-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-12 | 1971-02-11 | 1971-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-12 | 1975-02-11 | 1975-08-13 | $7700.00 | Window Closed / Lapsed |