Patent US2909074A successfully refreshed from Google Patents.
US2909074A
Expired / Lapsed
US
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Tensioning device
Assignee: Individual
•
Filing: 1957-12-13
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Granted: 1959-10-20
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Expires: 1977-12-13
Abstract
No abstract record available.
Inventors
- 👤 Scheiterlein Andreas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:17
CPC Classifications
F; F16; F16H; F16H7/00; F16H7/08; F16H7/10; F16H7/14; F16H2007/0876; F16H2007/088
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) | 1962-10-19 | 1963-04-20 | 1963-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-19 | 1967-04-20 | 1967-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-19 | 1971-04-20 | 1971-10-20 | $7700.00 | Window Closed / Lapsed |