US3597336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroplating plastics
Assignee: Phillips Petroleum Co
•
Filing: 1968-04-22
•
Granted: 1971-08-03
•
Expires: 1988-04-22
Abstract
Abstract ELECTROPLATING OF A MOLDABLE PLASTIC, WITH OR WITHOUT AN INERT FILLER THEREIN, IS ACHIEVED BY CONDITIONING A PREFORMED ARTICLE OF SAID PLASTIC BY A COMBINATION TREATMENT CONSISTING OF AN ACID CHROMATE EACH AND A PERSULFATE TREATMENT. THE RESULTING CONDITIONED ARTICLE IS THEREAFTER PLATED BY PREPLATING WITH AN ELECTROLESSLY PLATABLE METAL FOLLOWED BY ELECTROPLATING THE PREPLATED ARTICLE WITH A FINAL FINISH TO OBTAIN A METAL-PLATED PLASTIC PRODUCT.
Inventors
- 👤 James A Shotton
- 👤 Jimmy S Dew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:46
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/18; C23C18/20; C23C18/2006; C23C18/2046; C23C18/2053; C23C18/206; C23C18/1601; C23C18/1633; C23C18/1635; C23C18/1639; C23C18/1641; C23C18/2073; C23C18/208; C23C18/22; C23C18/24
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1974-08-02 | 1975-02-01 | 1975-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-02 | 1979-02-01 | 1979-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-02 | 1983-02-01 | 1983-08-03 | $7700.00 | Window Closed / Lapsed |