US3663662A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat-shrinkable films from ethylene polymer blends
Assignee: EIDP Inc
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Filing: 1968-08-23
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Granted: 1972-05-16
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Expires: 1988-08-23
Abstract
Abstract HEAT-SHRINKABLE FILM HAVING IMPROVED HEAT SEALING CHARACTERISTICS PREPARED BY IRRADATIVE CROSS-LINKING OF AN ORIENTED FILM OF A BLEN OF LOW DENSITY AND HIGH DENSITY ETHYLENE POLYMERS.
Inventors
- 👤 Ralph Crosby Golike
- 👤 George Joseph Ostapchenko
- 👤 William Drake Garlington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:11
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/18; B; B29; B29C; B29C61/00; B29C61/003; B29C71/00; B29C71/04; C08L; C08L23/00; C08L23/02; C08L23/04; B29C35/00; B29C35/02; B29C35/08; B29C35/0866; B29K; B29K2023/00; B29K2023/04; B29K2023/06; B29K2105/00; B29K2105/0085; B29L; B29L2007/00; B29L2007/008; C08J2323/00; C08J2323/02; C08J2323/04; Y; Y10; Y10S; Y10S522/00; Y10S522/904; Y10S522/905
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-16 | 1975-11-15 | 1976-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-16 | 1979-11-15 | 1980-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-16 | 1983-11-15 | 1984-05-16 | $7700.00 | Window Closed / Lapsed |