Patent US2460781A successfully refreshed from Google Patents.
US2460781A
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Circuit for stabilizing frequencies of transmitter-receiver systems
Assignee: RCA Corp
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Filing: 1945-02-27
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Granted: 1949-02-01
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Expires: 1965-02-27
Abstract
No abstract record available.
Inventors
- 👤 Cantelo Herbert Reginald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:57
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/38; H04B1/40; H04B1/54; H03; H03C; H03C3/00; H03C3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2276008A
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US2228815A
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GB551472A
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US2317547A
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US2333719A
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US2380288A
Cited
US2407212A
Cited
US2363835A
Cited
US2408791A
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US2408826A
Cited
US2379395A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-01 | 1952-08-02 | 1953-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-01 | 1956-08-02 | 1957-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-01 | 1960-08-02 | 1961-02-01 | $7700.00 | Window Closed / Lapsed |