US3205499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual polarized horn antenna
Assignee: Avco Manufacturing Corp
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Filing: 1956-08-30
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Granted: 1965-09-07
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Expires: 1976-08-30
Abstract
No abstract record available.
Inventors
- 👤 Louis E Raburn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:17
CPC Classifications
H; H01; H01Q; H01Q13/00; H01Q13/02; H01Q13/0241; H01Q13/025; H01Q13/0258
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
ANTENNA APPARATUS FOR SIMULTANEOUSLY RECEIVING OR TRANSMITTING TWO CROSS-POLARIZED WAVES COMPRISING: A TUBULAR CNDUCTIVE ENCLOSURE CLOSED AT ONE END AND TERMINATED AT THE OTHER END BY AN ELONGATED, RECTANGULAR OPENING; MEANS FOR FEEDING SIGNAL ENERGY TO SAID ENCLOSURE TO ENERGIZE SAID OPENING AND THEREBY RADIATE A FIRST POLARIZED WAVE; MEANS FOR ENERGIZING SAID OPENING WITH A SECOND WAVE POLARIZED IN A PLANE PERPENDICULAR TO SAID FIRST WAVE, SAID MEANS COMPRISING A DIPOLE ANTENNA MOUNTED IN THE PLANE OF SAID OPENING; AND MEANS FOR FEEDING SIGNAL ENERGY TO SAID DIPOLE ELEMENTS, WHEREBY SAID SECOND WAVE POLARIZED PERPENDICULAR TO SAID FIRST WAVE WILL BE RADIATED FROM SAID OPENING.
Claim 2
Dependent Claim
106 words
ANTENNA APPARATUS FOR SIMULTANEOUSLY RECEIVING OR TRANSMITTING TWO CROSS-POLARIZED WAVES COMPRISING: A TUBULAR CNDUCTIVE ENCLOSURE CLOSED AT ONE END AND TERMINATED AT THE OTHER END BY AN ELONGATED, RECTANGULAR OPENING; MEANS FOR FEEDING SIGNAL ENERGY TO SAID ENCLOSURE TO ENERGIZE SAID OPENING AND THEREBY RADIATE A FIRST POLARIZED WAVE; MEANS FOR ENERGIZING SAID OPENING WITH A SECOND WAVE POLARIZED IN A PLANE PERPENDICULAR TO SAID FIRST WAVE, SAID MEANS COMPRISING A DIPOLE ANTENNA MOUNTED IN THE PLANE OF SAID OPENING; AND MEANS FOR FEEDING SIGNAL ENERGY TO SAID DIPOLE ELEMENTS, WHEREBY SAID SECOND WAVE POLARIZED PERPENDICULAR TO SAID FIRST WAVE WILL BE RADIATED FROM SAID OPENING.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |