US3579395A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for forming a multi-ply thermoplastic molded article
Assignee: Monsanto Co
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Filing: 1967-01-17
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Granted: 1971-05-18
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Expires: 1987-01-17
Abstract
Abstract A METHOD AND APPARATUS FOR FORMING A RIGID, LAMINATED THERMOPLASTIC ARTICLE, BY TREATING THE SURFACES OF PLASTIC SHEETS TO RENDER THEM HYDROPHILIC, PRESSING THE TREATED SURFACES TOGETHER TO FORM A SEMI-RIGID, BLOCKED-BONDED LAMINATE, AND MOLDING THE SEMI-RIGID LAMINATE TO FORM THE RIGID ARTICLE.
Inventors
- 👤 Apul S Rath
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:07
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/26; B29; B29C; B29C43/00; B29C43/22; B29C43/30; B29C43/305; B32; B32B; B32B27/00; Y; Y10; Y10S; Y10S156/00; Y10S156/934; Y10S156/935; Y10S156/937; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1043; Y10T156/1044; Y10T156/1048; Y10T156/11; Y10T156/1153; Y10T156/1158; Y10T156/19; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/31909; Y10T428/31928; Y10T428/31935
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) | 1974-05-17 | 1974-11-16 | 1975-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-17 | 1978-11-16 | 1979-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-17 | 1982-11-16 | 1983-05-18 | $7700.00 | Window Closed / Lapsed |