Patent US3663488A successfully refreshed from Google Patents.
US3663488A
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Polyolefine films
Assignee: Imperial Chemical Industries Ltd
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Filing: 1969-03-24
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Granted: 1972-05-16
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Expires: 1989-03-24
Abstract
Abstract POLYOLEFIN FILM OF HIGH GLOSS AND CLARITY WHICH IS SUITABLE FOR TWIST WRAPPING AND CONTAINS FROM 5% TO 30% OF A POLYTERPENE, HYDROGENATED POLYTERPENE OR A ROSIN DERIVATIVE.
Inventors
- 👤 John Alan Elliott Kail
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:28
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/02; B; B29; B29C; B29C55/00; B29C55/02; B29C55/10; B29C55/12; C08L23/10; C08L2203/00; C08L2203/16; C08L57/00; C08L57/02
Claims Analysis
Total Claims: 0
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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 |