Patent US3303082A successfully refreshed from Google Patents.
US3303082A
Expired / Lapsed
US
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Method of bonding polyoefin films to sheet material
Assignee: Sunoco Inc
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Filing: 1963-04-19
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Granted: 1967-02-07
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Expires: 1983-04-19
Abstract
No abstract record available.
Inventors
- 👤 Robert L Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:50
CPC Classifications
B; B32; B32B; B32B27/00; B29; B29C; B29C65/00; B29C65/48; B29C65/4805; B29C65/481; B29C65/4815; B29C65/78; B29C65/7858; B29C65/7888; B29C65/7894; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/45; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/80; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; B29C66/71; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1722; Y10T156/1727; Y10T156/1798
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
METHOD OF PREPARING A LAMINATE OF POLYOLEFIN FILM AND SHEET MATERIAL SELECTED FROM THE GROOUP CONSISTING OF PAPERBOARD AND BOND PAPER WHICH COMPRISES: (A) COATING ONLY SAID FILM WITH LAMINATING WAX; (B) PRESSING THE COATED FILM ONTO SAID SHEET MATERIAL WHILE THE WAX COATING IS MOLTEN; AND (C) COOLING SAID MOLTEN WAX THEREBY BONDING POLYOLEFIN FILM TO THE SHEET MATERIAL TO FORM SAID LAMINATE.
Claim 2
Dependent Claim
64 words
METHOD OF PREPARING A LAMINATE OF POLYOLEFIN FILM AND SHEET MATERIAL SELECTED FROM THE GROOUP CONSISTING OF PAPERBOARD AND BOND PAPER WHICH COMPRISES: (A) COATING ONLY SAID FILM WITH LAMINATING WAX; (B) PRESSING THE COATED FILM ONTO SAID SHEET MATERIAL WHILE THE WAX COATING IS MOLTEN; AND (C) COOLING SAID MOLTEN WAX THEREBY BONDING POLYOLEFIN FILM TO THE SHEET MATERIAL TO FORM SAID LAMINATE.
References Cited (Backward Citations)
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US2877196A
Cited
US3075864A
Cited
US3010860A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |