Patent US2927313A successfully refreshed from Google Patents.
US2927313A
Expired / Lapsed
US
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Data processing machine
Assignee: International Business Machines Corp
•
Filing: 1954-12-31
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Granted: 1960-03-01
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Expires: 1974-12-31
Abstract
No abstract record available.
Inventors
- 👤 Arthur H Dickinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:54
CPC Classifications
H; H03; H03M; H03M7/00; H03M7/02; H03M7/06; H03M7/08; G; G11; G11C; G11C11/00; G11C11/21; G11C11/26; G11C11/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2576099A
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US2570716A
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US2633498A
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US2697549A
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US2693593A
Cited
US2838745A
Cited
US2658166A
Cited
US2734182A
Cited
US2761620A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-01 | 1963-08-31 | 1964-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-01 | 1967-08-31 | 1968-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-01 | 1971-08-31 | 1972-03-01 | $7700.00 | Window Closed / Lapsed |