Patent FR2469912A1 successfully refreshed from Google Patents.
US2741756A
Expired / Lapsed
US
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Electrical data storage device
Assignee: RCA Corp
•
Filing: 1953-07-16
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Granted: 1956-04-10
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Expires: 1973-07-16
Abstract
No abstract record available.
Inventors
- 👤 Arthur C Stocker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:54
CPC Classifications
G; G11; G11C; G11C27/00; G11C27/02; G11C27/024; G01; G01S; G01S7/00; G01S7/02; G01S7/28; G01S7/2806; G11C27/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2009459A
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US2415119A
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US2525872A
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US2685687A
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US2638587A
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US2519898A
Cited
US2673956A
Cited
US2704364A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-10 | 1959-10-10 | 1960-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-10 | 1963-10-10 | 1964-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-10 | 1967-10-10 | 1968-04-10 | $7700.00 | Window Closed / Lapsed |