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US2774045A
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Ultra-high-frequency tuner
Assignee: General Electric Co
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Filing: 1951-10-17
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Granted: 1956-12-11
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Expires: 1971-10-17
Abstract
No abstract record available.
Inventors
- 👤 James F Wilcox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:07
CPC Classifications
H; H01; H01P; H01P7/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2247779A
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US2370423A
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US2395441A
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US2405437A
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US2411858A
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US2415141A
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US2435442A
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US2557686A
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US2581680A
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US2601445A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |