US3065154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of plating chromium and the like to titanium, its alloys, and the like
Assignee: Bendix Corp
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Filing: 1959-06-29
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Granted: 1962-11-20
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Expires: 1979-06-29
Abstract
No abstract record available.
Inventors
- 👤 Harold J Wiesner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:09
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/34; C25D5/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A PROCESS FOR PLATING A METAL ON TITANIUM AND ITS ALLOYS CONSISTING OF: IMMERSING AN ARTICLE MADE OF SAID TITANIUM AND ITS ALLOYS IN AN ETCHING SOLUTION CONSISTING OF A FLOURIDE ION CONCENTRATION ABOVE APPROXIMATELY 45 GRAMS/LITER, AN ALKALI METAL ION CONCENTRATION OF FROM ABOUT 40 GRAMS/LITER TO 90 GRAMS/LITER, AND A HYDROGEN ION CONCENTRATION BELOW A PH OF APPROXIMATELY ONE, TO FORM A TITANIUM FLUORIDE COMPLEX COATING OVER THE ARTICLE; AND THEREAFTER IMMERSING THE COATED ARTICLE IN A PLATING BATH WHOSE HYDROGEN ION CONCENTRATION IS ABOVE APPROXIMATELY 2 NORMAL, AND WHOSE COMPLEX FORMING ION CONCENTRATIONS ARE CONSIDERABLY BELOW THE ABOVE MENTIONED CONCENTRATIONS.
Claim 2
Dependent Claim
103 words
A PROCESS FOR PLATING A METAL ON TITANIUM AND ITS ALLOYS CONSISTING OF: IMMERSING AN ARTICLE MADE OF SAID TITANIUM AND ITS ALLOYS IN AN ETCHING SOLUTION CONSISTING OF A FLOURIDE ION CONCENTRATION ABOVE APPROXIMATELY 45 GRAMS/LITER, AN ALKALI METAL ION CONCENTRATION OF FROM ABOUT 40 GRAMS/LITER TO 90 GRAMS/LITER, AND A HYDROGEN ION CONCENTRATION BELOW A PH OF APPROXIMATELY ONE, TO FORM A TITANIUM FLUORIDE COMPLEX COATING OVER THE ARTICLE; AND THEREAFTER IMMERSING THE COATED ARTICLE IN A PLATING BATH WHOSE HYDROGEN ION CONCENTRATION IS ABOVE APPROXIMATELY 2 NORMAL, AND WHOSE COMPLEX FORMING ION CONCENTRATIONS ARE CONSIDERABLY BELOW THE ABOVE MENTIONED CONCENTRATIONS.
References Cited (Backward Citations)
US2829091A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |