US3171129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low side lobe horn antenna with internal conductive plates
Assignee: Bendix Corp
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Filing: 1961-12-29
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Granted: 1965-02-23
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Expires: 1981-12-29
Abstract
No abstract record available.
Inventors
- 👤 Joseph M Nowakowski
- 👤 Earl E Swartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:37
CPC Classifications
H; H01; H01Q; H01Q13/00; H01Q13/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
ANTENNA APPARATUS FOR TERMINATING A FEEDING WAVEGUIDE HAVING A MOUTH COMPRISING A HORN TYPE STRUCTURE HAVING A FOUR SIDED ENCLOSURE FORMING A THROAT END AND APERTURE END, SAID THROAT END BEING CONNECTED TO SAID FEEDING WAVEGUIDE MOUTH, AT LEAST TWO SIDES OF SAID HORN STRUCTURE BEING DIVERGENT, TWO PLATE MEMBERS EACH HAVING AN OUTER END AND AN INNER END BEING IN SAID HORN STRUCTURE, SAID PLATE MEMBERS AND DIVERGENT SIDES BEING POSITIONED SO THAT THEY ARE SUBSTANTIALLY PERPENDICULAR TO A COMMON PLANE, SAID PLATE MEMBERS BEING POSITIONED AT THE APERTURE END OF SAID HORN STRUCTURE, SO THAT THE APERTURE IS DIVIDED INTO THREE SECTIONS HAVING SIZES SUBSTANTIALLY IN THE RATIO OF 25-50-25, THE TOTAL VOLUME OF SAID PLATE MEMBERS BEING LESS THAN THE TOTAL UNOCCUPIED VOLUME WITHIN SAID HORN.
Claim 2
Dependent Claim
129 words
ANTENNA APPARATUS FOR TERMINATING A FEEDING WAVEGUIDE HAVING A MOUTH COMPRISING A HORN TYPE STRUCTURE HAVING A FOUR SIDED ENCLOSURE FORMING A THROAT END AND APERTURE END, SAID THROAT END BEING CONNECTED TO SAID FEEDING WAVEGUIDE MOUTH, AT LEAST TWO SIDES OF SAID HORN STRUCTURE BEING DIVERGENT, TWO PLATE MEMBERS EACH HAVING AN OUTER END AND AN INNER END BEING IN SAID HORN STRUCTURE, SAID PLATE MEMBERS AND DIVERGENT SIDES BEING POSITIONED SO THAT THEY ARE SUBSTANTIALLY PERPENDICULAR TO A COMMON PLANE, SAID PLATE MEMBERS BEING POSITIONED AT THE APERTURE END OF SAID HORN STRUCTURE, SO THAT THE APERTURE IS DIVIDED INTO THREE SECTIONS HAVING SIZES SUBSTANTIALLY IN THE RATIO OF 25-50-25, THE TOTAL VOLUME OF SAID PLATE MEMBERS BEING LESS THAN THE TOTAL UNOCCUPIED VOLUME WITHIN SAID HORN.
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) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |