Patent US3482060A successfully refreshed from Google Patents.
US3482060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Head mounting for multi-track magnetic recorder or reproducer
Assignee: AT&T Inc
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Filing: 1966-10-18
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Granted: 1969-12-02
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Expires: 1986-10-18
Abstract
No abstract record available.
Inventors
- 👤 Franklin Dermond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:24
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/48; G11B5/56; G11B5/54; G11B5/55; G11B5/5591; G11B5/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2769037A
Cited
US2880280A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |