US2469162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio-frequency distribution transformer
Assignee: RCA Corp
•
Filing: 1946-10-12
•
Granted: 1949-05-03
•
Expires: 1966-10-12
Abstract
No abstract record available.
Inventors
- 👤 John B Gehman
- 👤 Alfred H Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:56
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/34; H01F27/36; H01F27/363
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1651515A
Cited
US1909491A
Cited
US1791236A
Cited
US1762775A
Cited
US2180413A
Cited
US2145548A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-02 | 1952-11-01 | 1953-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-02 | 1956-11-01 | 1957-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-02 | 1960-11-01 | 1961-05-03 | $7700.00 | Window Closed / Lapsed |