Patent US2956331A successfully refreshed from Google Patents.
US2956331A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Narrow fabrics
Assignee: Celanese Corp
•
Filing: 1955-10-24
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Granted: 1960-10-18
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Expires: 1975-10-24
Abstract
No abstract record available.
Inventors
- 👤 Whitehead William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:40
CPC Classifications
D; D03; D03D; D03D15/00; D03D15/40; D03D15/44; D03D15/46; A; A47; A47C; A47C23/00; A47C23/12; A47C23/18; D03D15/20; D03D15/208; D03D15/225; D03D15/50; D03D15/587; D03D9/00; D06; D06N; D06N3/00; D06N3/04; D06N3/06; D06N2201/00; D06N2201/04; D06N2201/042; D10; D10B; D10B2201/00; D10B2201/20; D10B2201/28; D10B2401/00; D10B2401/04; D10B2401/041; D10B2401/06; D10B2401/063; D10B2401/14; D10B2503/00; D10B2503/03; D10B2505/00; D10B2505/08; D10B2505/18; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24777; Y10T428/24785; Y10T442/00; Y10T442/30; Y10T442/3179; Y10T442/322; Y10T442/3228
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A WOVEN FABRIC HAVING A WRAP CONSISTING ESSENTIALLY OF CELLULOSE ESTER CONTINOUOS FILAMENT YARNS WHICH HAVE BEEN STRETCHED AND SAPONIFIED AND A WEFT CONSISTING ESSENTIALLY OF CELLULOSE ACETATE YARNS, SAID FABRIC BEING COATED WITH A PLASTICIZED VINYL CHLORIDE POLYMER, SAID FABRIC BEING CAPABLE OF BEING SLIT INTO STRIPS BY A HOT KNIFE IN A DIRECTION PARALLEL THE WRAP YARNS, SO THAT THE ACTION OF SAID HOT
Claim 2
Dependent Claim
66 words
A WOVEN FABRIC HAVING A WRAP CONSISTING ESSENTIALLY OF CELLULOSE ESTER CONTINOUOS FILAMENT YARNS WHICH HAVE BEEN STRETCHED AND SAPONIFIED AND A WEFT CONSISTING ESSENTIALLY OF CELLULOSE ACETATE YARNS, SAID FABRIC BEING COATED WITH A PLASTICIZED VINYL CHLORIDE POLYMER, SAID FABRIC BEING CAPABLE OF BEING SLIT INTO STRIPS BY A HOT KNIFE IN A DIRECTION PARALLEL THE WRAP YARNS, SO THAT THE ACTION OF SAID HOT
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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) | 1963-10-18 | 1964-04-18 | 1964-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-18 | 1968-04-18 | 1968-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-18 | 1972-04-18 | 1972-10-18 | $7700.00 | Window Closed / Lapsed |