US2659002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Split truncated cone-antenna
Assignee: Individual
•
Filing: 1946-03-29
•
Granted: 1953-11-10
•
Expires: 1966-03-29
Abstract
No abstract record available.
Inventors
- 👤 Price M Keeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:05
CPC Classifications
H; H01; H01Q; H01Q13/00; H01Q13/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2238770A
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US2218741A
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US2234293A
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US2243136A
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US2369556A
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US2414266A
Cited
US2368663A
Cited
US2513007A
Cited
US2479209A
Cited
US2521844A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |