US2454652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cathode-ray storage tube
Assignee: RCA Corp
•
Filing: 1943-06-26
•
Granted: 1948-11-23
•
Expires: 1963-06-26
Abstract
No abstract record available.
Inventors
- 👤 Iams Harley
- 👤 Rose Albert
- 👤 Gardner L Krieger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:03
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/58; H01J31/60; H01J31/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2072658A
Cited
US2147760A
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US2179205A
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US2122095A
Cited
US2367277A
Cited
US2254128A
Cited
US2301743A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-23 | 1952-05-24 | 1952-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-23 | 1956-05-24 | 1956-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-23 | 1960-05-24 | 1960-11-23 | $7700.00 | Window Closed / Lapsed |