Patent US2469170A successfully refreshed from Google Patents.
US2469170A
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US
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Control apparatus for tuners
Assignee: Oak Manufacturing Co
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Filing: 1945-12-10
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Granted: 1949-05-03
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Expires: 1965-12-10
Abstract
No abstract record available.
Inventors
- 👤 Edward J Mastney
- 👤 John H Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:45
CPC Classifications
H; H03; H03J; H03J5/00; H03J5/02; H03J5/14; H03J5/22; Y; Y10; Y10S; Y10S82/00; Y10S82/905
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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 |