Patent US3433898A successfully refreshed from Google Patents.
Patent US2834928A successfully refreshed from Google Patents.
US2834928A
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US
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Electronic device for controlling record tapes
Assignee: Individual
•
Filing: 1956-11-19
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Granted: 1958-05-13
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Expires: 1976-11-19
Abstract
No abstract record available.
Inventors
- 👤 Melvin A Carter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:38
CPC Classifications
B; B41; B41J; B41J3/00; B41J3/44; B41J3/50; G; G11; G11B; G11B15/00; G11B15/02; G11B15/05; G11B15/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2016506A
Cited
US2686282A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |