US2796596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Information storage system
Assignee: Unisys Corp
•
Filing: 1953-05-19
•
Granted: 1957-06-18
•
Expires: 1973-05-19
Abstract
No abstract record available.
Inventors
- 👤 Kenosian Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:57
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/008; G11B5/00813; G11B5/00847; G11B5/0086; G11B20/00; G11B20/10; G11B20/14; G11B20/1403; G11B5/012; G11B5/02; G11B5/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2540654A
Cited
US2564403A
Cited
US2597866A
Cited
US2680241A
Cited
US2656524A
Cited
US2730698A
Cited
US2740952A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-17 | 1960-12-17 | 1961-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-17 | 1964-12-17 | 1965-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-17 | 1968-12-17 | 1969-06-18 | $7700.00 | Window Closed / Lapsed |