US2595397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic television shutter
Assignee: General Precision Laboratory Inc
•
Filing: 1948-12-01
•
Granted: 1952-05-06
•
Expires: 1968-12-01
Abstract
No abstract record available.
Inventors
- 👤 Richard W Lee
- 👤 Louis L Pourciau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:41
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/76; H04N5/84; H04N5/843; H04N5/846
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2251786A
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US2373114A
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FR883910A
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US2454089A
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US2406096A
Cited
US2430547A
Cited
US2485886A
Cited
US2504734A
Cited
US2493627A
Cited
US2525891A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |