Patent US2679638A successfully refreshed from Google Patents.
US2679638A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Computer system
Assignee: RCA Corp
•
Filing: 1952-11-26
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Granted: 1954-05-25
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Expires: 1972-11-26
Abstract
No abstract record available.
Inventors
- 👤 Lowell S Bensky
- 👤 Arthur D Beard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:40
CPC Classifications
G; G06; G06F; G06F9/00; G06F9/06; G06F9/30; G06F9/38; G06F9/3802; G06F9/44; G06F9/448; G06F9/4482; G06F9/4484
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2288645A
Cited
US2246449A
Cited
US2410540A
Cited
US2386743A
Cited
US2611813A
Cited
US2614169A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-24 | 1957-11-23 | 1958-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-24 | 1961-11-23 | 1962-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-24 | 1965-11-23 | 1966-05-25 | $7700.00 | Window Closed / Lapsed |