US2460781A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit for stabilizing frequencies of transmitter-receiver systems
Assignee: RCA Corp
•
Filing: 1945-02-27
•
Granted: 1949-02-01
•
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
2026-10-22 22:38
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/38; H04B1/40; H04B1/54; H03; H03C; H03C3/00; H03C3/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2276008A
Cited
US2228815A
Cited
GB551472A
Cited
US2317547A
Cited
US2333719A
Cited
US2380288A
Cited
US2407212A
Cited
US2363835A
Cited
US2408791A
Cited
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 |