US3741881A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface treatment of polyurethane for plating
Assignee: Motors Liquidation Co
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Filing: 1971-09-15
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Granted: 1973-06-26
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Expires: 1991-09-15
Abstract
Abstract THE SURFACE OF A POLYURETHANE ELASTOMER IS RENDRED ELECTROPLATABLE BY FIRST TREATING IT WITH ONE OF CERTAIN SPECIFIC ULTRAVIOLET RADITION SENSITIZER, THAN EXPOSING IT TO INTENSE ULTRAVIOLET RADITION AND SUBSEQUENTLY SBJECTING IT TO A KNOWN ELECTROLESS PLATING PROCEDURE. THE RESULTING SURFACE MAY THEN BE ELECTROLYTICALLY PLATED WITH COPPER, NICKEL, SILVER OR OTHER DESIRED METAL.
Inventors
- 👤 Isa I Abu
- 👤 R Eldred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:47
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/18; C23C18/20; C23C18/28; C23C18/30; C23C18/2006; C23C18/2026; C23C18/204; C23C18/2046; C23C18/2073; C23C18/208; C23C18/285; Y; Y10; Y10S; Y10S205/00; Y10S205/918
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-25 | 1976-12-25 | 1977-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-25 | 1980-12-25 | 1981-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-25 | 1984-12-25 | 1985-06-26 | $7700.00 | Window Closed / Lapsed |