Patent FR2372622A1 successfully refreshed from Google Patents.
US2513007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Broadcast antenna
Assignee: RCA Corp
•
Filing: 1945-05-11
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Granted: 1950-06-27
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Expires: 1965-05-11
Abstract
No abstract record available.
Inventors
- 👤 Darling Woodrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:09
CPC Classifications
H; H01; H01Q; H01Q13/00; H01Q13/10; H01Q13/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1960006A
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US2206923A
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US2160053A
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US2175363A
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US2415094A
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US2238770A
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US2234293A
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US2286179A
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US2324462A
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US2321454A
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US2400867A
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US2414266A
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US2433183A
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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) | 1953-06-26 | 1953-12-26 | 1954-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-26 | 1957-12-26 | 1958-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-26 | 1961-12-26 | 1962-06-27 | $7700.00 | Window Closed / Lapsed |