US3135949A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disk memory device
Assignee: SCM Corp
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Filing: 1960-07-22
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Granted: 1964-06-02
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Expires: 1980-07-22
Abstract
No abstract record available.
Inventors
- 👤 Gordon J Whyte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:50
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/012; G11B33/00; G11B33/02; G11B33/08; G11B5/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
IN COMBINATION: A FRAME, A SHAFT MOUNTED FOR ROTATION ON SAID FRAME; A PLURALITY OF TRANSDUCER DEVICES MOUNTED TO SAID FRAME AND HAVING SENSING PORTIONS THEREOF LYING IN A PLANE SUBSTANTIALLY NORMAL TO THE AXIS OF SAID SHAFT; A DISK MOUNTED FOR ROTATION RELATIVE TO SAID FRAME AND HAVING A PLANE SURFACE SUBSTANTIALLY NORMAL TO ITS AXIS OF ROTATION, SAID SURFACE BEING PART OF A STORAGE MEDIUM FOR A MEMORY UNIT AND IN OPERATIVE RELATION TO SAID TRANSDUCER DEVICES; AND MEANS CONNECTING SAID DISK TO BE DRIVEN BY
Claim 2
Dependent Claim
88 words
IN COMBINATION: A FRAME, A SHAFT MOUNTED FOR ROTATION ON SAID FRAME; A PLURALITY OF TRANSDUCER DEVICES MOUNTED TO SAID FRAME AND HAVING SENSING PORTIONS THEREOF LYING IN A PLANE SUBSTANTIALLY NORMAL TO THE AXIS OF SAID SHAFT; A DISK MOUNTED FOR ROTATION RELATIVE TO SAID FRAME AND HAVING A PLANE SURFACE SUBSTANTIALLY NORMAL TO ITS AXIS OF ROTATION, SAID SURFACE BEING PART OF A STORAGE MEDIUM FOR A MEMORY UNIT AND IN OPERATIVE RELATION TO SAID TRANSDUCER DEVICES; AND MEANS CONNECTING SAID DISK TO BE DRIVEN BY
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) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |