US2963555A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speed controls for reproduction of tape recordings
Assignee: Consolidated Electrodynamics Corp
•
Filing: 1955-02-21
•
Granted: 1960-12-06
•
Expires: 1975-02-21
Abstract
No abstract record available.
Inventors
- 👤 Wilson M Brubaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:18
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/46; G11B15/52; G11B15/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2024609A
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US2203706A
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US2378234A
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US2714202A
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US2656407A
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US2697754A
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US2817073A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |