US2966305A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Simultaneous carry adder
Assignee: International Business Machines Corp
•
Filing: 1957-08-16
•
Granted: 1960-12-27
•
Expires: 1977-08-16
Abstract
No abstract record available.
Inventors
- 👤 Gerald B Rosenberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:52
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/48; G06F7/50; G06F7/505; G06F7/506; G06F7/508
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2719670A
Cited
US2879001A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-27 | 1964-06-27 | 1964-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-27 | 1968-06-27 | 1968-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-27 | 1972-06-27 | 1972-12-27 | $7700.00 | Window Closed / Lapsed |