US3515344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for accumulating the sum of a plurality of operands
Assignee: International Business Machines Corp
•
Filing: 1966-08-31
•
Granted: 1970-06-02
•
Expires: 1986-08-31
Abstract
No abstract record available.
Inventors
- 👤 Robert E Goldschmidt
- 👤 Robert J Litwiller
- 👤 Don M Powers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:02
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/48; G06F7/50; G06F7/505; G06F7/509; G06F2207/00; G06F2207/38; G06F2207/3804; G06F2207/386; G06F2207/3884
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) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |