US3483319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit for synchronizing the rotary position of transducer heads on a magnetic tape player
Assignee: Nihon Victor KK
•
Filing: 1966-10-27
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Granted: 1969-12-09
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Expires: 1986-10-27
Abstract
No abstract record available.
Inventors
- 👤 Yasuaki Watanabe
- 👤 Tadayasu Ohtsu
- 👤 Masahiko Nagano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:39
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/46; G11B15/467; G11B15/473; G11B15/4731; G11B15/4733
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3288923A
Cited
US3327053A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |