US2986318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control linkage for cartridge type magnetic recording and reproducing device
Assignee: Pentron Electronics Corp
•
Filing: 1957-02-13
•
Granted: 1961-05-30
•
Expires: 1977-02-13
Abstract
No abstract record available.
Inventors
- 👤 Tiger Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:19
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/26; G11B15/28; G11B15/29; G11B15/1808; G11B15/46; G11B15/60; G11B15/66; G11B15/665; G11B15/6653; G11B15/6656
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2645495A
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US2724276A
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US2953312A
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US2909617A
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US2838305A
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US2751438A
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US2768244A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-29 | 1964-11-28 | 1965-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-29 | 1968-11-28 | 1969-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-29 | 1972-11-28 | 1973-05-30 | $7700.00 | Window Closed / Lapsed |