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Patent US2954469A successfully refreshed from Google Patents.
US2954469A
Expired / Lapsed
US
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Switch type television tuner with stamped tuning element mounted on stationary contacts
Assignee: Oak Manufacturing Co
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Filing: 1958-12-22
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Granted: 1960-09-27
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Expires: 1978-12-22
Abstract
No abstract record available.
Inventors
- 👤 John R Gelzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:07
CPC Classifications
H; H03; H03J; H03J5/00; H03J5/24; H03J5/26; H03J5/28
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) | 1963-09-27 | 1964-03-28 | 1964-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-27 | 1968-03-28 | 1968-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-27 | 1972-03-28 | 1972-09-27 | $7700.00 | Window Closed / Lapsed |