US3752732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reusable tear resistant polyolefinpaper laminate
Assignee: H P SMITH PAPERCO AN IL CORP
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Filing: 1970-02-24
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Granted: 1973-08-14
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Expires: 1990-02-24
Abstract
Abstract A TOUGH, TEAR-RESISTANT, REUSABLE, WELL-BONDED POLYOLEFIN-PAPER LAMINATE IS FORMED BY LAMINATING A POLYOLEFIN FILM, PREFERABLY ORIENTED, TO A PAPER SUBSTRATE BY MEANS OF A METAL OF A POLYMER CONTAINING THE SAME OLEFIN AS USED IN THE FILM.
Inventors
- 👤 L Peterson
- 👤 J Finley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:07
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/06; B32B27/10; B32B27/32; B32B2307/00; B32B2307/50; B32B2307/514; B32B2307/518; B32B2307/582; B32B2307/5825; B32B2317/00; B32B2317/12; B32B2317/122; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/31504; Y10T428/31652; Y10T428/31663; Y10T428/31855; Y10T428/31909; Y10T428/31913
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) | 1976-08-13 | 1977-02-12 | 1977-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-13 | 1981-02-12 | 1981-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-13 | 1985-02-12 | 1985-08-14 | $7700.00 | Window Closed / Lapsed |