US3020526A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intelligence storage equipment
Assignee: International Standard Electric Corp
•
Filing: 1955-12-19
•
Granted: 1962-02-06
•
Expires: 1975-12-19
Abstract
No abstract record available.
Inventors
- 👤 Ridler Desmond Sydney
- 👤 Odell Alexander Douglas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:54
CPC Classifications
G; G11; G11B; G11B20/00; G11B20/10; G11B20/14; G11B20/1403; G11B20/1407; G11B20/1419
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE22394E
Cited
US2557964A
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US2502440A
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US2771596A
Cited
US2614169A
Cited
US2628346A
Cited
US2704361A
Cited
US2887674A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |