US2526207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capacitor for frequency modulation
Assignee: RCA Corp
•
Filing: 1946-04-27
•
Granted: 1950-10-17
•
Expires: 1966-04-27
Abstract
No abstract record available.
Inventors
- 👤 Hugh L Donley
- 👤 Wentworth Chandler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:54
CPC Classifications
H; H03; H03C; H03C3/00; H03C3/10; H03C3/12; H03C3/20; Y; Y10; Y10T; Y10T29/00; Y10T29/43; Y10T29/435
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2012710A
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US2182377A
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US2161888A
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US2233165A
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GB518127A
Cited
US2306555A
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US2398176A
Cited
US2473556A
Cited
US2377910A
Cited
US2461307A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |