US2853619A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Image amplifier phototimer
Assignee: Westinghouse Electric Corp
•
Filing: 1951-08-16
•
Granted: 1958-09-23
•
Expires: 1971-08-16
Abstract
No abstract record available.
Inventors
- 👤 Witt Benjamin De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:56
CPC Classifications
H; H05; H05G; H05G1/00; H05G1/08; H05G1/26; H05G1/30; H05G1/38; H05G1/42; H05G1/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2535817A
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US2401289A
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US2441324A
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US2561085A
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US2555545A
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US2622219A
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US2523132A
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US2595430A
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US2790085A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |