US2940889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl-coated fabrics
Assignee: Akzo Nobel UK PLC
•
Filing: 1955-06-29
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Granted: 1960-06-14
•
Expires: 1975-06-29
Abstract
No abstract record available.
Inventors
- 👤 John L Justice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:19
CPC Classifications
F; F26; F26B; F26B21/00; F26B21/20; B; B32; B32B; B32B27/00; D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/227; D06M15/244; D06M15/37; D06M15/61; F26B17/00; F26B17/02; F26B17/04; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1039; Y10T156/1041; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31884; Y10T428/31888; Y10T428/31891; Y10T428/31935; Y10T428/31938; Y10T442/00; Y10T442/40; Y10T442/419
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A FLEXIBLE SHEET COMPRISING A LAYER COMPRISING A RESIN SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE, POLYVINYL CHLORIDE, POLYVINYLIDENE CHLORIDE, AND COPOLYMERS OF VINYL CHLORIDE AND VINYLIDENE CHLORIDE, SAID COPOLYMERS CONSISTING ESSENTIALLY OF ONE OF SAID COMPOUNDS, AND A RAYON FABRIC STRONGLY ADHERED TO SAID LAYER BY A POLYALKYLENIMINE DISPOSED WITHIN SAID SHEET
Claim 2
Dependent Claim
53 words
A FLEXIBLE SHEET COMPRISING A LAYER COMPRISING A RESIN SELECTED FROM THE GROUP CONSISTING OF POLYETHYLENE, POLYVINYL CHLORIDE, POLYVINYLIDENE CHLORIDE, AND COPOLYMERS OF VINYL CHLORIDE AND VINYLIDENE CHLORIDE, SAID COPOLYMERS CONSISTING ESSENTIALLY OF ONE OF SAID COMPOUNDS, AND A RAYON FABRIC STRONGLY ADHERED TO SAID LAYER BY A POLYALKYLENIMINE DISPOSED WITHIN SAID SHEET
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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) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |