Patent US3178795A successfully refreshed from Google Patents.
US3178795A
Expired / Lapsed
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Method for edge crimping thermoplastic yarns
Assignee: Deering Milliken Research Corp
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Filing: 1962-10-10
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Granted: 1965-04-20
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Expires: 1982-10-10
Abstract
No abstract record available.
Inventors
- 👤 William P Warthen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:50
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
54 words
THE METHOD OF EDGE CRIMPING A RUNNING LENGTH OF THERMOPLASTIC YARN COMPRISING SOFTENING SAID YARN UNDER THE INFLUDNCE OF HEAT, IMMEDIATELY WRAPPING SAID YARN AROUND A SINGLE LENGTH OF ITSELF, THE WRAP COVERING NOT LESS THAN A 360* TURN AN THEN DRAWING SAID RUNNING LENGTH OF YARN OUT OF THE WRAPPED CONFIGURATION AND COOLING.
References Cited (Backward Citations)
US3035328A
Cited
US3035396A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |