US3672965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroplating of aluminum
Assignee: ConocoPhillips Co
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Filing: 1970-06-29
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Granted: 1972-06-27
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Expires: 1990-06-29
Abstract
Abstract ALUMINUM IS ELECTROPLATED UPON METALLIC SUBSTRATES BY IMMERSING THE SUBSTRATE AS A CATHODE IN AN ELECTOYTE WHICH IS AN ELECTRICALLY CONDUCTIVE ORGANOALUMINUM COMPLEX. AN ALKYL HALIDE IS INCLUDED IN THE ELECTROLYTE IN AN AMOUNT OF FROM 1 TO 10 WEIGHT PERCENT AND FUNCTIONS AS A DEPOSIT MODIFIER.
Inventors
- 👤 William H Harwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:16
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/42; C25D3/44
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) | 1975-06-27 | 1975-12-27 | 1976-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-27 | 1979-12-27 | 1980-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-27 | 1983-12-27 | 1984-06-27 | $7700.00 | Window Closed / Lapsed |