US2769089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio transmitter with automatic drive control
Assignee: RCA Corp
•
Filing: 1953-03-12
•
Granted: 1956-10-30
•
Expires: 1973-03-12
Abstract
No abstract record available.
Inventors
- 👤 Karl L Neumann
- 👤 Cornelius A Gallagher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:25
CPC Classifications
H; H03; H03G; H03G3/00; H03G3/20; H03G3/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1986597A
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US2435547A
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US2279128A
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US2395212A
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US2385211A
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US2395770A
Cited
US2548822A
Cited
US2480842A
Cited
US2552136A
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US2537958A
Cited
US2521052A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-30 | 1960-04-30 | 1960-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-30 | 1964-04-30 | 1964-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-30 | 1968-04-30 | 1968-10-30 | $7700.00 | Window Closed / Lapsed |