US2703202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic binary algebraic accumulator
Assignee: International Business Machines Corp
•
Filing: 1950-03-21
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Granted: 1955-03-01
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Expires: 1970-03-21
Abstract
No abstract record available.
Inventors
- 👤 John R Cartwright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:44
CPC Classifications
G; G06; G06F; G06F7/00; G06F7/38; G06F7/48; G06F7/491; G06F7/498; G06F7/4981; H; H03; H03K; H03K23/00; H03K23/82
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2364540A
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US2462275A
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US2422698A
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US2386481A
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GB609502A
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US2536955A
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US2489325A
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US2502360A
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US2500294A
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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) | 1958-02-28 | 1958-08-30 | 1959-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-28 | 1962-08-30 | 1963-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-28 | 1966-08-30 | 1967-03-01 | $7700.00 | Window Closed / Lapsed |