Patent US2949230A successfully refreshed from Google Patents.
US2949230A
Expired / Lapsed
US
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Parallel binary adder unit
Assignee: Unisys Corp
•
Filing: 1955-08-09
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Granted: 1960-08-16
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Expires: 1975-08-09
Abstract
No abstract record available.
Inventors
- 👤 Jr John Presper Eckert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:46
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/383
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2634052A
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US2719670A
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US2731203A
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US2697178A
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US2734684A
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US2729808A
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US2715997A
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US2741758A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-16 | 1964-02-15 | 1964-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-16 | 1968-02-15 | 1968-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-16 | 1972-02-15 | 1972-08-16 | $7700.00 | Window Closed / Lapsed |