US3545840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Enhanced transverse kerr magneto-optical transducer
Assignee: Magnavox Electronic Systems Co
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Filing: 1968-07-29
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Granted: 1970-12-08
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Expires: 1988-07-29
Abstract
No abstract record available.
Inventors
- 👤 Patrick E Ferguson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:50
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/01; G02F1/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3229273A
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US3224333A
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US3196206A
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US3307897A
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US3474428A
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US3451740A
Cited
US3443098A
Cited
US3417398A
Cited
US3476460A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |