US3011090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plural beam tube
Assignee: RCA Corp
•
Filing: 1952-06-24
•
Granted: 1961-11-28
•
Expires: 1972-06-24
Abstract
No abstract record available.
Inventors
- 👤 Moodey Hannah Chapin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:12
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/10; H01J31/20; H01J31/201; H01J31/203; H01J31/205
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2165028A
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US2227484A
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US2170944A
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FR866065A
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US2348133A
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US2480848A
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US2481839A
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US2457175A
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US2544690A
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US2595548A
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US2579705A
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US2581487A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |