US3574668A
Expired / Lapsed
US
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Method of forming a resin coated,paperboard product and resultant article
Assignee: Georgia Pacific Consumer Products LP
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Filing: 1968-05-03
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Granted: 1971-04-13
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Expires: 1988-05-03
Abstract
Abstract A FLEXIBLE FIBROUS SHEET MATERIAL, PREFERABLY PAPERBOARD IS COATED WITH A SUITABLE LIQUID IMPERVIOUS COATING SUCH AS POLYETHYLENE AND THE COATING IS CAST BY A CHILL ROLL HAVING A SURFACE WHICH IMPARTS A UNIFORMLY LOW FRICTION CHARACTER AND A COMMERCIALLY ACCEPTABLE GLOSS SURFACE TO THE COATING. CONTAINERS MADE FROM SUCH SHEET MATE- RIAL ARE FIRST PRINTED AND THEN COATED WITH SUCH LIQUID IMPERVIOUS COATING TO PROVIDE A PRINTED CONTAINER WITH A UNIFORM COEFFICIENT OF FRICTION.
Inventors
- 👤 Jerome Alfred Cherney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:41
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/02; B65D5/06; B65D5/067; B32; B32B; B32B27/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31895; Y10T428/31899; Y10T428/31902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1974-04-12 | 1974-10-12 | 1975-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-12 | 1978-10-12 | 1979-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-12 | 1982-10-12 | 1983-04-13 | $7700.00 | Window Closed / Lapsed |