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Patent US2479555A successfully refreshed from Google Patents.
US2479555A
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Tuning drive mechanism for superfrequency receivers
Assignee: Individual
•
Filing: 1944-07-27
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Granted: 1949-08-23
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Expires: 1964-07-27
Abstract
No abstract record available.
Inventors
- 👤 George H Burbage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 00:20
CPC Classifications
H; H03; H03J; H03J1/00; H03J1/06; H03J1/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1712901A
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US1850260A
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US1648554A
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US1810317A
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US1964081A
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US2091570A
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US2167474A
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US2182733A
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US2309152A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-22 | 1953-02-21 | 1953-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-22 | 1957-02-21 | 1957-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-22 | 1961-02-21 | 1961-08-23 | $7700.00 | Window Closed / Lapsed |