US3293723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making pile fabric
Assignee: Deering Milliken Research Corp
•
Filing: 1962-05-14
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Granted: 1966-12-27
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Expires: 1982-05-14
Abstract
No abstract record available.
Inventors
- 👤 Cyril G Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:48
CPC Classifications
D; D03; D03D; D03D27/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
THE METHOD OF MAKING A PILE FABRIC WHICH INCLUDES FORMING PILE LOOPS FROM A CONTINUOUS ELASTICIZED THERMOPLASTIC INTERMITTENTLY CRIMPED MONOFILAMENT YARN HAVING NONUNIFORM LATENT SHRINKAGE CHARACTERISTICS, CUTTING THE LOOPS AND THEN DEVELOPING THE LATENT SHRINKAGE CHARACTERISTICS BY SUBJECTING SAID PILE FABRIC TO A HEAT TREAMENT WHEREBY THE CRIMPED PORTION OF THE YARN SHRINKS EXTENSIVELY TO PROVIDE A FUR-LIKE APPEARANCE.
Claim 2
Independent Claim
59 words
THE METHOD OF MAKING A PILE FABRIC WHICH INCLUDES FORMING PILE LOOPS FROM A CONTINUOUS ELASTICIZED THERMOPLASTIC INTERMITTENTLY CRIMPED MONOFILAMENT YARN HAVING NONUNIFORM LATENT SHRINKAGE CHARACTERISTICS, CUTTING THE LOOPS AND THEN DEVELOPING THE LATENT SHRINKAGE CHARACTERISTICS BY SUBJECTING SAID PILE FABRIC TO A HEAT TREAMENT WHEREBY THE CRIMPED PORTION OF THE YARN SHRINKS EXTENSIVELY TO PROVIDE A FUR-LIKE APPEARANCE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |