US3461332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum tubes with a curved electron image intensifying device
Assignee: UNITED JEWISH APPEAL OF GREATER NEW YORK
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Filing: 1965-11-26
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Granted: 1969-08-12
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Expires: 1985-11-26
Abstract
No abstract record available.
Inventors
- 👤 Edward E Sheldon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:06
CPC Classifications
H; H01; H01J; H01J43/00; H01J43/04; H01J43/06; H01J43/18; H01J43/24; H01J29/00; H01J29/02; H01J29/023; H01J31/00; H01J31/08; H01J31/50; H01J31/506; H01J31/507
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3243628A
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US3244922A
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US3260876A
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US3141105A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-11 | 1973-02-10 | 1973-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-11 | 1977-02-10 | 1977-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-11 | 1981-02-10 | 1981-08-12 | $7700.00 | Window Closed / Lapsed |