US3017684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile materials and method of making the same
Assignee: Deering Milliken Research Corp
•
Filing: 1956-01-24
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Granted: 1962-01-23
•
Expires: 1976-01-24
Abstract
No abstract record available.
Inventors
- 👤 Pittman Edgar Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:10
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
THE METHOD WHICH COMPRISES PLACING, WHILE AT AN ELEVATED TEMPRATURE, A PLURALITY OF CONTINUOUS THERMOPLASTIC TEXTILE FILAMENTS IN A TENSIONED AND SUBSTANTIALLY STRAIGHTENED CONDITION BUT NOT UNDER A TENSION OF MORE THAN ABOUT 1 GRAM PER DENIER, SAID FILAMENTS IN EACH INSTANCE HAVING A PRONOUNCED TENDENCY TO ASSUME A CRIMPED CONFIGURATION, COOLING SAID FILAMENTS WHILE IN SAID STRAIGHTENED AND TENSIONED CONDITION TO THEREBY RESULT IN SAID FILAMENTS BEING PARTIALLY HEAT-SET IN SAID CONDITION, CHOPPING SAID FILAMENS INTO STAPLE FIBERS, AND THEREAFTER HEATING SAID STAPLE FIBERS WHILE IN A POSITIONALLY RELAXED CONDITION TO AT LEAST PARTIALLY ELIMINATE THE EFFECT OF SAID HEAT-SETTING AND TO CAUSE SAID FIBERS TO DEVELOP A MORE PRONOUNCED CRIMP.
Claim 2
Independent Claim
112 words
THE METHOD WHICH COMPRISES PLACING, WHILE AT AN ELEVATED TEMPRATURE, A PLURALITY OF CONTINUOUS THERMOPLASTIC TEXTILE FILAMENTS IN A TENSIONED AND SUBSTANTIALLY STRAIGHTENED CONDITION BUT NOT UNDER A TENSION OF MORE THAN ABOUT 1 GRAM PER DENIER, SAID FILAMENTS IN EACH INSTANCE HAVING A PRONOUNCED TENDENCY TO ASSUME A CRIMPED CONFIGURATION, COOLING SAID FILAMENTS WHILE IN SAID STRAIGHTENED AND TENSIONED CONDITION TO THEREBY RESULT IN SAID FILAMENTS BEING PARTIALLY HEAT-SET IN SAID CONDITION, CHOPPING SAID FILAMENS INTO STAPLE FIBERS, AND THEREAFTER HEATING SAID STAPLE FIBERS WHILE IN A POSITIONALLY RELAXED CONDITION TO AT LEAST PARTIALLY ELIMINATE THE EFFECT OF SAID HEAT-SETTING AND TO CAUSE SAID FIBERS TO DEVELOP A MORE PRONOUNCED CRIMP.
References Cited (Backward Citations)
GB558297A
Cited
US2369395A
Cited
US2394165A
Cited
US2623266A
Cited
US2575839A
Cited
US2669001A
Cited
US2734228A
Cited
GB743906A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |