US3729392A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plating of titanium with chromium
Assignee: Mcgean Rohco Inc
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Filing: 1971-02-19
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Granted: 1973-04-24
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Expires: 1991-02-19
Abstract
Abstract TITANIUM OR TITANIUM-BASE ALLOYS CAN BE PLATED WITH A SEMI-BRIGHT CHROMIUM PLATE OF GOOD APPEARANCE AND DURABILITY. THE TITANIUM IS PLATED BY ELECTRODEPOSITION FROM A PLATING MEDIUM CONTAINING A SOLUTION OF A PARTICULAR CHROMIC-COMPOUND. MORE ESPECIALLY THE BATH CONTAINS A SOLUTION OF A COMPLEX, WATER-SOLUBLE TRIVALENT CHROMIC COMPOUND CONTAINING PARTICULAR CARBOXYLIC ACID CONSTITUENTS AND HALOGEN. PLATED TITANIUM ARTICLES CAN BE USED ALONE AND EXHIBIT A DECORATIVE SURFACE, OR THEY MAY BE USED AS A BASE FOR SUBSEQUENT COATING OPERATION.
Inventors
- 👤 J Bride
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:55
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/04; C25D3/06; C25D3/26; C25D3/28
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) | 1976-04-23 | 1976-10-23 | 1977-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-23 | 1980-10-23 | 1981-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-23 | 1984-10-23 | 1985-04-24 | $7700.00 | Window Closed / Lapsed |