US3574070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal plating over plastic
Assignee: Shipley Co Inc
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Filing: 1967-05-11
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Granted: 1971-04-06
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Expires: 1987-05-11
Abstract
Abstract A PROCESS FOR METAL PLATING OVER PLASTICS CHARACTERIZED BY A PRELIMINARY TREATMENT STEP COMPRISING CONTACT OF A PLASTIC SURFACE WITH AN EMULSION HAVING A FIRST PHASE THAT IS A SOLVENT FOR THE PLASTIC AND A SECOND PHASE THAT IS EMULSIFIED WITH THE FIRST PHASE AND A NON-SOLVENT FOR THE PLASTIC. THE TREATMENT STEP WITH EMULSION IS PREFERABLY USED PRIOR TO SURFACE CONVERSION OF THE PLASTIC PART AND PROMOTES INCREASED BOND STRENGTH BETWEEN THE PLASTIC SUBSTRATE AND METAL COATING.
Inventors
- 👤 Camille Sahely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:29
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/18; C23C18/20; C23C18/22; C23C18/26
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) | 1974-04-05 | 1974-10-05 | 1975-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-05 | 1978-10-05 | 1979-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-05 | 1982-10-05 | 1983-04-06 | $7700.00 | Window Closed / Lapsed |