Patent US2808983A successfully refreshed from Google Patents.
US2808983A
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US
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Electronic digital computing apparatus
Assignee: National Research Development Corp UK
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Filing: 1950-12-11
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Granted: 1957-10-08
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Expires: 1970-12-11
Abstract
No abstract record available.
Inventors
- 👤 Uttley Albert Maurel
- 👤 Noble Spencer Watkins
- 👤 Carter Ronald Herbert Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:31
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/48; G06F7/50; G06F7/501; G06F7/5013; G06F11/00; G06F11/07; G06F11/0703; G06F11/0751; G06F11/0754; G06F2207/00; G06F2207/38; G06F2207/48; G06F2207/4802; G06F2207/4814
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-07 | 1961-04-08 | 1961-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-07 | 1965-04-08 | 1965-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-07 | 1969-04-08 | 1969-10-08 | $7700.00 | Window Closed / Lapsed |