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US3530656A
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Multiple twist yarn texturizing apparatus and method
Assignee: Warner and Swasey Co
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Filing: 1968-10-17
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Granted: 1970-09-29
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Expires: 1988-10-17
Abstract
No abstract record available.
Inventors
- 👤 William Kirk Wyatt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:09
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/02; D02G1/028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3085389A
Cited
GB777625A
Cited
US3020700A
Cited
US3069837A
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US3154906A
Cited
US3404522A
Cited
US3367096A
Cited
US3327462A
Cited
US3445996A
Cited
US3435603A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-28 | 1974-03-30 | 1974-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-28 | 1978-03-30 | 1978-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-28 | 1982-03-30 | 1982-09-29 | $7700.00 | Window Closed / Lapsed |