Patent US2793091A successfully refreshed from Google Patents.
US2793091A
Expired / Lapsed
US
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Means to facilitate repairs to television and radio receiving sets
Assignee: Individual
•
Filing: 1954-07-02
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Granted: 1957-05-21
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Expires: 1974-07-02
Abstract
No abstract record available.
Inventors
- 👤 Perce R Christians
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:52
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/64; H04N5/655
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US243958A
Cited
US2337159A
Cited
US2510681A
Cited
US2486764A
Cited
US2630364A
Cited
US2655422A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-20 | 1960-11-19 | 1961-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-20 | 1964-11-19 | 1965-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-20 | 1968-11-19 | 1969-05-21 | $7700.00 | Window Closed / Lapsed |