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US2953894A
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Apparatus for maintaining the drive belts or cords of spinning and twisting machines
Assignee: Wilhelm Stahlecker GmbH
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Filing: 1957-12-11
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Granted: 1960-09-27
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Expires: 1977-12-11
Abstract
No abstract record available.
Inventors
- 👤 Stahlecker Wilhelm
- 👤 Stahlecker Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:24
CPC Classifications
D; D01; D01H; D01H1/00; D01H1/14; D01H1/20; D01H1/24; D01H1/241; F; F16; F16H; F16H7/00; F16H7/08; F16H2007/0802; F16H2007/0812
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) | 1963-09-27 | 1964-03-28 | 1964-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-27 | 1968-03-28 | 1968-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-27 | 1972-03-28 | 1972-09-27 | $7700.00 | Window Closed / Lapsed |