US3513457A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magneto-optical transducing system
Assignee: Magnavox Electronic Systems Co
•
Filing: 1962-12-12
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Granted: 1970-05-19
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Expires: 1982-12-12
Abstract
No abstract record available.
Inventors
- 👤 Alfred M Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:12
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/127; G11B5/33; G11B5/332; G11B11/00; G11B11/10; G11B11/105; G11B11/10532; G11B11/10541; G11B11/10543; G11B11/10547; G11B5/02; G11B5/027; G11B5/03; G11C; G11C13/00; G11C13/04; G11C13/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2714048A
Cited
US2743648A
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US2756276A
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US2890288A
Cited
US3059538A
Cited
US3032612A
Cited
US2984825A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |