US3437752A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for electron smoothing in image dissector tubes
Assignee: United States Department of the Navy
•
Filing: 1965-09-29
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Granted: 1969-04-08
•
Expires: 1985-09-29
Abstract
No abstract record available.
Inventors
- 👤 Holland C Ford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:26
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/50; H01J31/506; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/39; H01J29/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA675973A
Cited
US2667596A
Cited
US2826632A
Cited
US2992346A
Cited
US2875371A
Cited
US2898499A
Cited
US3073989A
Cited
US3128406A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |