US2827628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultra high frequency antenna
Assignee: Cornell Dubilier Electronics Inc
•
Filing: 1953-08-07
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Granted: 1958-03-18
•
Expires: 1973-08-07
Abstract
No abstract record available.
Inventors
- 👤 Swinehart Frank
- 👤 Edward J Ehrbar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:25
CPC Classifications
H; H01; H01Q; H01Q19/00; H01Q19/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2558727A
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US2480154A
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US2433183A
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US2687475A
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US2615005A
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US2631235A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-17 | 1961-09-16 | 1962-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-17 | 1965-09-16 | 1966-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-17 | 1969-09-16 | 1970-03-18 | $7700.00 | Window Closed / Lapsed |