US3052947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of embossed pile fabrics
Assignee: Union Carbide Corp
•
Filing: 1959-11-23
•
Granted: 1962-09-11
•
Expires: 1979-11-23
Abstract
No abstract record available.
Inventors
- 👤 Jr Theophilus A Feild
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:11
CPC Classifications
D; D06; D06C; D06C29/00; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23929
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A METHOD FOR EMBOSSING A PILE FABRIC COMPOSED OF FIBERS SELECTED FROM THE GROUP CONSISTING OF ACRYLIC AND MODACRYLIC FIBERS, WHICH COMPRISES DEPRESSING THE FIBERS OF SAID PILE FABRIC IN AREAS DETERMINED BY A PATTERN WHILE THE FIBERS IN THE AREAS UNDERGOING DEPRESSION ARE AT A TEMPERATURE ABOVE THE SECOND ORDER TRANSITION TEMPERATURE OF THE FIBERS AND BELOW THE TEMPERATURE AT WHICH SUBSTANTIAL SHRINKAGE OF THE FIBERS OCCURS, AND SUBSEQUENTLY COOLING THE DEPRESSED FIBERS TO A TEMPERATURE BELOW THEIR SECOND ORDER TRANSITION TEMPERATURE.
Claim 2
Independent Claim
83 words
A METHOD FOR EMBOSSING A PILE FABRIC COMPOSED OF FIBERS SELECTED FROM THE GROUP CONSISTING OF ACRYLIC AND MODACRYLIC FIBERS, WHICH COMPRISES DEPRESSING THE FIBERS OF SAID PILE FABRIC IN AREAS DETERMINED BY A PATTERN WHILE THE FIBERS IN THE AREAS UNDERGOING DEPRESSION ARE AT A TEMPERATURE ABOVE THE SECOND ORDER TRANSITION TEMPERATURE OF THE FIBERS AND BELOW THE TEMPERATURE AT WHICH SUBSTANTIAL SHRINKAGE OF THE FIBERS OCCURS, AND SUBSEQUENTLY COOLING THE DEPRESSED FIBERS TO A TEMPERATURE BELOW THEIR SECOND ORDER TRANSITION TEMPERATURE.
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) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |