US2465801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultra high frequency apparatus
Assignee: General Electric Co
•
Filing: 1944-11-20
•
Granted: 1949-03-29
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Expires: 1964-11-20
Abstract
No abstract record available.
Inventors
- 👤 Anatole M Gurewitsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:04
CPC Classifications
H; H01; H01P; H01P7/00; H01P7/06; H03; H03C; H03C1/00; H03C1/16; H03C1/18; H03C1/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2322971A
Cited
US2408355A
Cited
US2416080A
Cited
US2421784A
Cited
US2392664A
Cited
US2412805A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-28 | 1952-09-27 | 1953-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-28 | 1956-09-27 | 1957-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-28 | 1960-09-27 | 1961-03-29 | $7700.00 | Window Closed / Lapsed |