Patent US2499477A successfully refreshed from Google Patents.
US2499477A
Expired / Lapsed
US
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Vinyl resin textile article
Assignee: Union Carbide Corp
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Filing: 1945-06-07
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Granted: 1950-03-07
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Expires: 1965-06-07
Abstract
No abstract record available.
Inventors
- 👤 Jr Theophilus A Feild
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:23
CPC Classifications
D; D06; D06M; D06M11/00; D06M11/77; D06M11/79; D06M11/80; D06M11/82; Y; Y10; Y10S; Y10S8/00; Y10S8/15
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
118 words
A TEXTILE FABRIC MADE OF HEAT TREATED ORIENTED SYNTHETIC TEXTILE YARN OF FILAMENTS FORMED FROM A COPOLYMER OF A VINYL HALIDE WITH ACRYLONITRILE, WHICH COPOLYMER CONTAINS BETWEEN ABOUT 45% AND ABOUT 80% OF THE HALIDE AND HAS A SPECIFIC VISCOSITY AT 20*C. OF BETWEEN 0.2 AND 0.6, SAID YARN HAVING AN ACETONE-SOLUBILITY OF NOT MORE THAN 75% OF THAT OF THE COPOLYMER FROM WHICH THE YARN WAS MADE, AND HAVING A WET TENACITY OF AT LEAST 2 GRAMS PER DENIER, A TENACITY AT 120*C. OF OVER 1 GRAM PER DENIER, A WET ELONGATION OF AT LEAST 10%, AND SHRINKAGES OF NOT MORE THAN 7% IN WATER AT 100*C. AND OF NOT MORE THAN 30% IN STEAM ATR 120*C.
References Cited (Backward Citations)
GB513327A
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GB513354A
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US2293825A
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US2339323A
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US2313173A
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US2309370A
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US2346208A
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US2332974A
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US2321746A
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US2366495A
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US2420565A
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US2421334A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-06 | 1953-09-05 | 1954-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-06 | 1957-09-05 | 1958-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-06 | 1961-09-05 | 1962-03-07 | $7700.00 | Window Closed / Lapsed |