US2543229A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polythene layer bonded to another layer by ethylene-vinyl acetate interpolymer adhesive
Assignee: EIDP Inc
•
Filing: 1948-04-27
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Granted: 1951-02-27
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Expires: 1968-04-27
Abstract
No abstract record available.
Inventors
- 👤 Aurelius F Chapman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:50
CPC Classifications
B; B32; B32B; B32B27/00; Y; Y10; Y10S; Y10S206/00; Y10S206/819; Y10S220/00; Y10S220/14; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31699; Y10T428/31855; Y10T428/31859; Y10T428/3187; Y10T428/31873; Y10T428/31877; Y10T428/3188; Y10T428/31884; Y10T428/31891; Y10T428/31895; Y10T428/31906; Y10T428/31909; Y10T428/31913; Y10T428/31917; Y10T428/3192
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A FLEXIBLE LAMINATED PRODUCT COMPRISING A LAYER OF POLYTHENE AND A FLEXIBLE SUPPORT, THE POLYTHENE BEING FIRMLY UNITED TO THE FLEXIBLE SUPPORT BY AN ETHYLENE/VINYL ACETATE INTERPOLYMER HAVING FROM 1.5 TO 3.5 MOLES OF ETHYLENE PER MOLE OF VINYL ACETATE.
Claim 2
Dependent Claim
40 words
A FLEXIBLE LAMINATED PRODUCT COMPRISING A LAYER OF POLYTHENE AND A FLEXIBLE SUPPORT, THE POLYTHENE BEING FIRMLY UNITED TO THE FLEXIBLE SUPPORT BY AN ETHYLENE/VINYL ACETATE INTERPOLYMER HAVING FROM 1.5 TO 3.5 MOLES OF ETHYLENE PER MOLE OF VINYL ACETATE.
References Cited (Backward Citations)
US2065941A
Cited
US2200429A
Cited
US2238681A
Cited
US2340452A
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US2400139A
Cited
US2403465A
Cited
US2388169A
Cited
US2386347A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-26 | 1954-08-28 | 1955-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-26 | 1958-08-28 | 1959-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-26 | 1962-08-28 | 1963-02-27 | $7700.00 | Window Closed / Lapsed |