US2912694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Horn feed system to provide vertical, horizontal, or circular polarization
Assignee: Bendix Aviation Corp
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Filing: 1956-10-22
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Granted: 1959-11-10
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Expires: 1976-10-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Calvert Franklin Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:23
CPC Classifications
H; H01; H01Q; H01Q25/00; H01Q25/001; G; G01; G01S; G01S1/00; G01S1/02; H01P; H01P1/00; H01P1/10; H01P1/12; H01P1/122; H01Q21/00; H01Q21/24; H01Q21/245
Claims Analysis
Total Claims: 0
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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) | 1962-11-09 | 1963-05-11 | 1963-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-09 | 1967-05-11 | 1967-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-09 | 1971-05-11 | 1971-11-10 | $7700.00 | Window Closed / Lapsed |