US3553952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for crimping yarns and product made thereby
Assignee: Imperial Chemical Industries Ltd
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Filing: 1968-09-03
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Granted: 1971-01-12
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Expires: 1988-09-03
Abstract
Abstract A PROCESS AND APPARATUS FOR FEEDING A PLURALITY OF STRANDS AT CONSTANT SPEED THROUGH TWISTER MEANS HAVING A PLURALITY OF GUIDE ASSEMBLIES SPACED APART SYMMETRICALLY ABOUT A CIRCLE AND WHEREIN THE STRANDS ENTER AND LEAVE THE GUIDE ASSEMBLIES AT EQUAL ANGLES.
Inventors
- 👤 Bruce Murray Mcintosh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:49
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/02; D02G1/028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |