Patent US2965886A successfully refreshed from Google Patents.
US2965886A
Expired / Lapsed
US
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Device for setting and locking magnetic transducer heads associated with a magnetic data storage device
Assignee: Ex-Cell-O Corp
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Filing: 1958-09-29
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Granted: 1960-12-20
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Expires: 1978-09-29
Abstract
No abstract record available.
Inventors
- 👤 Darrell L Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:05
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/48; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/943; Y10S411/955; Y10T; Y10T403/00; Y10T403/46; Y10T403/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |