US3309292A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for obtaining thick adherent coatings of platinum metals on refractory metals
Assignee: Individual
•
Filing: 1964-02-28
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Granted: 1967-03-14
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Expires: 1984-02-28
Abstract
No abstract record available.
Inventors
- 👤 Richard L Andrews
- 👤 Stephen D Cramer
- 👤 Charles B Kenahan
- 👤 Schlain David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:29
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/10; C25D3/00; C25D3/66; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/934; Y10S428/935; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12806; Y10T428/12812; Y10T428/12861; Y10T428/12875
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A METHOD FOR DEPOSITING AN ADHERENT COATING OF A METAL ON A METAL SUBSTRATE BY ELECTRODEPOSITION OF THE METAL FROM AN AQUEOUS SOLUTION OF A COMPOUND OF THE METAL COMPRISING FORMING AN INITIAL COATING OF A PLATNUM METAL ON THE METAL SUBSTRATE TO ELECTRODEPOSITION FROM A FUSED SALT BATH CONTAINING IONS OF THE PLATINUM METAL AND SUBSEQUENTLY SUBJECTING THE THUS COATED METAL SUBSTRATE IN ELECTRODEPOSITION OF THE METAL FROM AQUEOUS SOLUTION.
Claim 2
Independent Claim
71 words
A METHOD FOR DEPOSITING AN ADHERENT COATING OF A METAL ON A METAL SUBSTRATE BY ELECTRODEPOSITION OF THE METAL FROM AN AQUEOUS SOLUTION OF A COMPOUND OF THE METAL COMPRISING FORMING AN INITIAL COATING OF A PLATNUM METAL ON THE METAL SUBSTRATE TO ELECTRODEPOSITION FROM A FUSED SALT BATH CONTAINING IONS OF THE PLATINUM METAL AND SUBSEQUENTLY SUBJECTING THE THUS COATED METAL SUBSTRATE IN ELECTRODEPOSITION OF THE METAL FROM AQUEOUS SOLUTION.
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |