US2824024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplastic polymeric films
Assignee: EIDP Inc
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Filing: 1954-12-09
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Granted: 1958-02-18
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Expires: 1974-12-09
Abstract
No abstract record available.
Inventors
- 👤 Chapman Aurelius Franklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:33
CPC Classifications
B; B32; B32B; B32B27/00; C; C08; C08J; C08J7/00; C08J7/04; C08J7/042; C08J7/043; C08J7/048; C08J7/052; C08J2323/00; C08J2323/02; C08J2323/04; C08J2323/06; C08J2427/00; C08J2427/02; C08J2427/04; C08J2427/08; Y; Y10; Y10S; Y10S526/00; Y10S526/937; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31533; Y10T428/31786; Y10T428/31797; Y10T428/31855; Y10T428/3188; Y10T428/31895; Y10T428/31906; Y10T428/31909; Y10T428/31913; Y10T428/31917
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A PACKAGING FILM COMPRISING A BASE FILM OF THERMOPLATIC POLYMERIC MATERIAL HAVING AT LEAST ONE SURFACE COATED WITH A SUBCOATING COMPRISING AN ELASTOMER SELECTED FROM THE GROUP CONSISTING OF ELASTOPRENE, ELASTOLENE AND ELASTOTHIOMER, AND A TOP COATING COMPRISING OF COPOLYMER
Claim 2
Dependent Claim
40 words
A PACKAGING FILM COMPRISING A BASE FILM OF THERMOPLATIC POLYMERIC MATERIAL HAVING AT LEAST ONE SURFACE COATED WITH A SUBCOATING COMPRISING AN ELASTOMER SELECTED FROM THE GROUP CONSISTING OF ELASTOPRENE, ELASTOLENE AND ELASTOTHIOMER, AND A TOP COATING COMPRISING OF COPOLYMER
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-17 | 1961-08-19 | 1962-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-17 | 1965-08-19 | 1966-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-17 | 1969-08-19 | 1970-02-18 | $7700.00 | Window Closed / Lapsed |