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US3070321A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic control for tape recorders
Assignee: Webcor Inc
•
Filing: 1960-08-26
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Granted: 1962-12-25
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Expires: 1980-08-26
Abstract
No abstract record available.
Inventors
- 👤 Edwin S Bara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:16
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/44; G11B15/442; G11B15/02; G11B15/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2535486A
Cited
US2676212A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |