Patent US2761089A successfully refreshed from Google Patents.
US2761089A
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US
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Half-tone storage tubes
Assignee: Raytheon Co
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Filing: 1952-01-03
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Granted: 1956-08-28
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Expires: 1972-01-03
Abstract
No abstract record available.
Inventors
- 👤 Andrew V Haeff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:36
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/58; H01J31/68; H01J31/10; H01J31/12; H01J31/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2156435A
Cited
US2259507A
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US2257942A
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US2532339A
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US2547638A
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US2604606A
Cited
US2661442A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-28 | 1960-02-27 | 1960-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-28 | 1964-02-27 | 1964-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-28 | 1968-02-27 | 1968-08-28 | $7700.00 | Window Closed / Lapsed |