US3514537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for the magnetic recording of data on tape and for the selective retrieval of the recorded data
Assignee: Sony Corp
•
Filing: 1966-11-02
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Granted: 1970-05-26
•
Expires: 1986-11-02
Abstract
No abstract record available.
Inventors
- 👤 Saburo Uemura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:14
CPC Classifications
G; G11; G11B; G11B27/00; G11B27/02; G11B27/022; G11B27/029; G09; G09B; G09B5/00; G09B5/06; G09B5/065; G11B15/00; G11B15/005; G11B27/024
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3123668A
Cited
US3051777A
Cited
US3084215A
Cited
US3180930A
Cited
US3258754A
Cited
US3372242A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-25 | 1973-11-24 | 1974-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-25 | 1977-11-24 | 1978-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-25 | 1981-11-24 | 1982-05-26 | $7700.00 | Window Closed / Lapsed |