US2847610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Direct-view electrical storage tube and erasing system therefor
Assignee: RCA Corp
•
Filing: 1952-08-27
•
Granted: 1958-08-12
•
Expires: 1972-08-27
Abstract
No abstract record available.
Inventors
- 👤 Borkan Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:58
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/10; H01J31/12; H01J31/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2185693A
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US2276359A
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US2501791A
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US2532339A
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US2513743A
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US2531600A
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US2604606A
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US2704328A
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US2656485A
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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) | 1961-08-11 | 1962-02-10 | 1962-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-11 | 1966-02-10 | 1966-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-11 | 1970-02-10 | 1970-08-12 | $7700.00 | Window Closed / Lapsed |