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US2884192A
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Bi-quinary accumulator
Assignee: International Business Machines Corp
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Filing: 1952-12-06
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Granted: 1959-04-28
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Expires: 1972-12-06
Abstract
No abstract record available.
Inventors
- 👤 Arthur H Dickinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:14
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/48; G06F7/491; G06F7/498; G06F7/4981
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR875431A
Cited
US2461438A
Cited
US2486809A
Cited
US2625328A
Cited
US2706597A
Cited
US2814441A
Cited
US2734684A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |