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US2745604A
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Tape tension winding control
Assignee: RCA Corp
•
Filing: 1951-05-11
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Granted: 1956-05-15
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Expires: 1971-05-11
Abstract
No abstract record available.
Inventors
- 👤 Earl E Masterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:34
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/02; G11B15/05; G11B15/06; G11B15/18; G11B15/26; G11B15/28; G11B15/29; G11B15/43; G11B15/46; G11B15/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2518417A
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US2568431A
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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) | 1959-05-15 | 1959-11-14 | 1960-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-15 | 1963-11-14 | 1964-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-15 | 1967-11-14 | 1968-05-15 | $7700.00 | Window Closed / Lapsed |