US2615231A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile product
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1947-01-17
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Granted: 1952-10-28
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Expires: 1967-01-17
Abstract
No abstract record available.
Inventors
- 👤 Little Andrew Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:42
CPC Classifications
D; D06; D06M; D06M23/00; D06M23/06; D06M13/00; D06M13/52; D06M13/525; D06M13/53; Y; Y10; Y10T; Y10T442/00; Y10T442/30; Y10T442/3065; Y10T442/313; Y10T442/40; Y10T442/444
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
IN A PROCESS FOR THE PRODUCTION OF TEXTILE PRODUCTS, THE SURFACES OF WHICH HAVE A GLAZED FINISH AND ARE FREE FROM THE PROJECTING ENDS OF STAPLE FIBRES, THE STEP WHICH COMPRISES SUBJECTING TO PRESSURE, BY A POLISHED METAL SURFACE A TEXTILE PRODUCT HAVING AS BASIC CONSTITUENT FIBRES WHICH DO NOT SUBSTANTIALLY CHANGE IN SHAPE OR TENSILE STRENGTH WHEN HEATED FOR A SHORT TIME AT A TEMPERATURE BELOW 200* C. AND CONTAINING A MINOR PROPORTION OF FIBRES OF THE GROUP CONSISTING OF POLYMERS OF ETHYLENE AND HYDROLYSED INTERPOLYMERS OF ETHYLENE AND VINYL ACETATE, WHEN HEATED TO A TEMPERATURE AT WHICH FIBERS OF THE GROUP HAVE A MELT VISCOSITY NOT GREATER THAN 50,000 POISES THE TEXTILE PRODUCT BEING HEATED TO A TEMPERATURE AND FOR A TIME INSUFFICIENT TO DAMAGE THE OTHER FIBRES OF THE TEXTILE PRODUCT AND INSUFFICIENT TO FUSE THE POLYMER AND INTERPOLYMER FIBERS, AND COOLING THE TEXTILE PRODUCT UNTIL THE FIBERS OF THE GROUP ARE SOLID.
Claim 2
Dependent Claim
156 words
IN A PROCESS FOR THE PRODUCTION OF TEXTILE PRODUCTS, THE SURFACES OF WHICH HAVE A GLAZED FINISH AND ARE FREE FROM THE PROJECTING ENDS OF STAPLE FIBRES, THE STEP WHICH COMPRISES SUBJECTING TO PRESSURE, BY A POLISHED METAL SURFACE A TEXTILE PRODUCT HAVING AS BASIC CONSTITUENT FIBRES WHICH DO NOT SUBSTANTIALLY CHANGE IN SHAPE OR TENSILE STRENGTH WHEN HEATED FOR A SHORT TIME AT A TEMPERATURE BELOW 200* C. AND CONTAINING A MINOR PROPORTION OF FIBRES OF THE GROUP CONSISTING OF POLYMERS OF ETHYLENE AND HYDROLYSED INTERPOLYMERS OF ETHYLENE AND VINYL ACETATE, WHEN HEATED TO A TEMPERATURE AT WHICH FIBERS OF THE GROUP HAVE A MELT VISCOSITY NOT GREATER THAN 50,000 POISES THE TEXTILE PRODUCT BEING HEATED TO A TEMPERATURE AND FOR A TIME INSUFFICIENT TO DAMAGE THE OTHER FIBRES OF THE TEXTILE PRODUCT AND INSUFFICIENT TO FUSE THE POLYMER AND INTERPOLYMER FIBERS, AND COOLING THE TEXTILE PRODUCT UNTIL THE FIBERS OF THE GROUP ARE SOLID.
References Cited (Backward Citations)
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US2252999A
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US2253000A
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US2313058A
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US2325060A
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US2386347A
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US2448743A
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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) | 1955-10-28 | 1956-04-28 | 1956-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-28 | 1960-04-28 | 1960-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-28 | 1964-04-28 | 1964-10-28 | $7700.00 | Window Closed / Lapsed |