Patent US2525891A successfully refreshed from Google Patents.
US2525891A
Expired / Lapsed
US
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Television recording or transmitting apparatus using constant speed film
Assignee: General Precision Laboratory Inc
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Filing: 1947-07-17
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Granted: 1950-10-17
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Expires: 1967-07-17
Abstract
No abstract record available.
Inventors
- 👤 Raymond L Garman
- 👤 Frank N Gillette
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:29
CPC Classifications
H; H04; H04N; H04N3/00; H04N3/36; H04N3/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2189351A
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US2219120A
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US2248559A
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US2261848A
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US2248552A
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US2287033A
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US2251786A
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US2275898A
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US2373114A
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US2404839A
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US2455323A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |