US3705835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated fabrics of thermoplastic materials
Assignee: Shell USA Inc
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Filing: 1971-05-26
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Granted: 1972-12-12
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Expires: 1991-05-26
Abstract
Abstract THIS INVENTION RELATES TO A FABRIC, PARTICULARLY SUITABLE FOR SACKS, COMPRISING; (A) A WEAVE OF MULTICOMPONENT TAPES HAVING A LOWMELTING THERMOPLASTIC COMPONENT, SUCH AS LOW DENSITY POLYETHYLENE, AS A SURFACE LAYER OF THE TAPE AT ONE OR BOTH FACES OF THE WEAVE, IN ADDITION TO ONE OR MORE HIGHER-MELTING THERMOPLASTIC COMPONENTS, PARTICULARLY PROPYLENE, AND (B) A COATING LAYER COMPRISING THE LOW-MELTING COMPONENT ADHERING TO THE WEAVE AT ONE OR BOTH FACES. THE INVENTION ALSO INCLUDES A PROCESS FOR THE PREPARATION OF THE FABRIC.
Inventors
- 👤 Willy H J Badrian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:53
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/12; B32B27/32; B32B5/00; B32B5/02; B32B5/024; B32B7/00; B32B7/02; B32B7/027; B32B7/04; B32B7/12; D; D03; D03D; D03D15/00; D03D15/20; D03D15/283; D03D15/292; D03D15/40; D03D15/44; D03D15/46; D03D15/50; D03D15/573; D03D15/587; D03D3/00; B32B38/00; B32B38/0012; B32B2038/0028; B32B38/04; B32B2038/045; B32B2323/00; B32B2323/04; B32B2323/046; B32B2323/10; D10; D10B; D10B2321/00; D10B2321/02; D10B2321/021; D10B2321/022; D10B2401/00; D10B2401/04; D10B2401/041; D10B2401/06; D10B2401/063; D10B2505/00; D10B2505/10; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1062; Y10T156/1067; Y10T156/1075; Y10T428/00; Y10T428/13; Y10T428/1352; Y10T428/1362; Y10T442/00; Y10T442/30; Y10T442/3033; Y10T442/3041; Y10T442/3146
Claims Analysis
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References Cited (Backward Citations)
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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) | 1975-12-12 | 1976-06-12 | 1976-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-12 | 1980-06-12 | 1980-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-12 | 1984-06-12 | 1984-12-12 | $7700.00 | Window Closed / Lapsed |