US2736880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multicoordinate digital information storage device
Assignee: Research Corp
•
Filing: 1951-05-11
•
Granted: 1956-02-28
•
Expires: 1971-05-11
Abstract
No abstract record available.
Inventors
- 👤 Jay W Forrester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:28
CPC Classifications
G; G11; G11C; G11C11/00; G11C11/02; G11C11/06; G11C11/06007; G11C11/06014; G11C11/06021; G11C11/06028; G11C11/06035; G11C11/21; G11C11/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1504882A
Cited
US2053156A
Cited
US2430457A
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US2574438A
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US2519513A
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US2518022A
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US2524154A
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US2696600A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-27 | 1959-08-29 | 1960-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-27 | 1963-08-29 | 1964-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-27 | 1967-08-29 | 1968-02-28 | $7700.00 | Window Closed / Lapsed |