Patent US2240354A successfully refreshed from Google Patents.
US2495697A
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Method and apparatus for intensifying electronic images
Assignee: Individual
•
Filing: 1946-06-08
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Granted: 1950-01-31
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Expires: 1966-06-08
Abstract
No abstract record available.
Inventors
- 👤 Chilowsky Constantin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:30
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/14; H01J31/00; H01J31/08; H01J31/50; H01J31/506
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2121990A
Cited
USRE22115E
Cited
US2277008A
Cited
US2277009A
Cited
US2366319A
Cited
US2335659A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-30 | 1953-08-01 | 1954-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-30 | 1957-08-01 | 1958-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-30 | 1961-08-01 | 1962-01-31 | $7700.00 | Window Closed / Lapsed |