US2864031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical storage tube
Assignee: RCA Corp
•
Filing: 1950-12-30
•
Granted: 1958-12-09
•
Expires: 1970-12-30
Abstract
No abstract record available.
Inventors
- 👤 Smith Roland Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:19
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/58; H01J31/60; H01J31/62; H01J31/64; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/39; Y; Y10; Y10S; Y10S313/00; Y10S313/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2190200A
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US2169840A
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US2293899A
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US2516314A
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US2549072A
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US2540632A
Cited
US2525768A
Cited
US2544753A
Cited
US2527652A
Cited
US2555091A
Cited
US2603757A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |