US2821643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light sensitive storage tube and system
Assignee: Individual
•
Filing: 1954-06-21
•
Granted: 1958-01-28
•
Expires: 1974-06-21
Abstract
No abstract record available.
Inventors
- 👤 George A Morton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:24
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/58; H01J31/60; H01J31/62; H01J31/64; Y; Y10; Y10S; Y10S313/00; Y10S313/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2248977A
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US2579351A
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US2595552A
Cited
US2617042A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-27 | 1961-07-29 | 1962-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-27 | 1965-07-29 | 1966-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-27 | 1969-07-29 | 1970-01-28 | $7700.00 | Window Closed / Lapsed |