Patent US3280443A successfully refreshed from Google Patents.
US3280443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing crepe-like fabrics
Assignee: Celanese Corp
•
Filing: 1964-05-18
•
Granted: 1966-10-25
•
Expires: 1984-05-18
Abstract
No abstract record available.
Inventors
- 👤 Frate Roland Alphonse
- 👤 Peter A Cook
- 👤 Howard F Elsom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:35
CPC Classifications
D; D06; D06C; D06C29/00; D02; D02G; D02G1/00; D02G1/18; D03; D03D; D03D15/00; D03D15/50; D03D15/567
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A PROCESS FOR PRODUCING WASH-AND-WEAR TEXTILE FABRIC HAVING A UNIFORM CREPE-LIKE EFFECT FROM POLYESTER YARNS WHICH HAVE A LOW-LEVEL TWIST UP TO ABOUT 18 TURNS PER INCH COMPRISING THE INCORPORATION INTO THE WEFT AND WARP OF SAID TEXTILE FABRIC AT LEAST ALTERNATE LENGHTS OF HEAT STABILIZED AND NON-HEAT STABILIZED POLYESTER YARNS AND NOT EXCEEDING SIX THREADS IN A ROW OF SAID NON-HEAT STABILIZED YARNS; AND SUBJECTING SAID TEXTILE FABRIC TO ELEVATED TEMPERATURES FROM ABOUT 100*C. TO BELOW THE SOFTENING POINT OF SAID POLYESTER YARN TO SHRINK THE NONHEAT STABILIZED YARN, WHEREBY THE SHRINKAGE OF THE NONHEAT STABILIZED YARN CAUSE THE FABRIC TO CRINKLE AND PUCKER INTO A CREPE-LIKE EFFECT FABRIC.
Claim 2
Dependent Claim
110 words
A PROCESS FOR PRODUCING WASH-AND-WEAR TEXTILE FABRIC HAVING A UNIFORM CREPE-LIKE EFFECT FROM POLYESTER YARNS WHICH HAVE A LOW-LEVEL TWIST UP TO ABOUT 18 TURNS PER INCH COMPRISING THE INCORPORATION INTO THE WEFT AND WARP OF SAID TEXTILE FABRIC AT LEAST ALTERNATE LENGHTS OF HEAT STABILIZED AND NON-HEAT STABILIZED POLYESTER YARNS AND NOT EXCEEDING SIX THREADS IN A ROW OF SAID NON-HEAT STABILIZED YARNS; AND SUBJECTING SAID TEXTILE FABRIC TO ELEVATED TEMPERATURES FROM ABOUT 100*C. TO BELOW THE SOFTENING POINT OF SAID POLYESTER YARN TO SHRINK THE NONHEAT STABILIZED YARN, WHEREBY THE SHRINKAGE OF THE NONHEAT STABILIZED YARN CAUSE THE FABRIC TO CRINKLE AND PUCKER INTO A CREPE-LIKE EFFECT FABRIC.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |