US3408653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antenna system compensating for prism effect utilizing control means at the signal feed
Assignee: Blass Antenna Electronics Corp
•
Filing: 1964-11-12
•
Granted: 1968-10-29
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Expires: 1984-11-12
Abstract
No abstract record available.
Inventors
- 👤 Blass Judd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:34
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/44; H01Q3/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA562602A
Cited
US2530580A
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US2788440A
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DE1075682B
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US3205501A
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US2975419A
Cited
US3259902A
Cited
US3245081A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |