Patent US3582427A successfully refreshed from Google Patents.
US3582427A
Expired / Lapsed
US
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Polyolefin-metal laminates
Assignee: Chevron USA Inc
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Filing: 1965-06-21
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Granted: 1971-06-01
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Expires: 1985-06-21
Abstract
Abstract COMPLETELY NONPOLAR POLYMERIC MATERIAL SUCH AS POLYPROPYLENE NOTED FOR INERTNESS AND POOR ADHESION IS SATISFACTORILY BONDED TO METAL BY APPLYING A SOLID, PARTICULATE, THERMOPLASTIC POLYACRYLIC ACID TO A BONDING SURFACE AND JOINING WITH HEAT AND PRESSURE.
Inventors
- 👤 Robert Bacskai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:53
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/12; C08J5/124; B; B32; B32B; B32B15/00; B32B15/04; B32B15/08; C08J2323/00; C08J2323/02; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31692
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) | 1974-05-31 | 1974-11-30 | 1975-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-31 | 1978-11-30 | 1979-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-31 | 1982-11-30 | 1983-06-01 | $7700.00 | Window Closed / Lapsed |