Patent US2775414A successfully refreshed from Google Patents.
US2775414A
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US
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Constant tension control mechanism
Assignee: Reliance Electric and Engineering Co
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Filing: 1953-07-09
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Granted: 1956-12-25
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Expires: 1973-07-09
Abstract
No abstract record available.
Inventors
- 👤 Dale B Rush
- 👤 William E Springer
- 👤 John B Thomas
- 👤 Donald E Woody
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:29
CPC Classifications
B; B65; B65H; B65H59/00; B65H59/38; B65H23/00; B65H23/04; B65H23/18; B65H23/182; B65H23/1825; B65H49/00; B65H49/18; B65H49/34; G; G03; G03B; G03B21/00; G03B21/14; G03B21/32; G03B21/43
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-25 | 1960-06-25 | 1960-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-25 | 1964-06-25 | 1964-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-25 | 1968-06-25 | 1968-12-25 | $7700.00 | Window Closed / Lapsed |