US2895672A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic multiplying system
Assignee: International Business Machines Corp
•
Filing: 1954-01-15
•
Granted: 1959-07-21
•
Expires: 1974-01-15
Abstract
No abstract record available.
Inventors
- 👤 Arthur H Dickinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:03
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/48; G06F7/491; G06F7/498; G06F7/4983; G06F7/4988
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2587979A
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US2624508A
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US2672283A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-20 | 1963-01-19 | 1963-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-20 | 1967-01-19 | 1967-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-20 | 1971-01-19 | 1971-07-21 | $7700.00 | Window Closed / Lapsed |