US3661783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition for metal plating of plastics
Assignee: MSA Safety Inc
•
Filing: 1970-01-29
•
Granted: 1972-05-09
•
Expires: 1990-01-29
Abstract
Abstract PLASTIC SURFACES ARE PREPARED TO MAKE THEM SUSCEPTIBLE TO BEING PLATED BY CHEMICAL PLATING SOLUTIONS BY TREATMENT WITH A SOLUTION OF A NOBLE METAL SALT, FOR EXAMPLE, PALLADIUM CHLORIDE, IN AN ACID ETCHANT FOR THE PLASTIC, FOLLOWED BY TREATMENT WITH A SOLUTION CONTAINING AMINE BORANES OR AMMONIA BORANE. THE BORANE SOLUTION MAY BE A CHEMICAL PLATING SOLUTION, IN WHICH CASE, THE SECOND STEP OF THE SURFACE PREPARATION AND THE PLATING OCCURS SIMULTANEOUSLY.
Inventors
- 👤 William J Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:33
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/31; C23C18/32; C23C18/34; C23C18/18; C23C18/20; C23C18/22; C23C18/24; C23C18/28; C23C18/30
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) | 1975-05-09 | 1975-11-08 | 1976-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-09 | 1979-11-08 | 1980-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-09 | 1983-11-08 | 1984-05-09 | $7700.00 | Window Closed / Lapsed |