US3342566A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the electrodeposition of a decorative corrosion resistant nickel-chromium coating and products thereof
Assignee: Individual
•
Filing: 1964-12-07
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Granted: 1967-09-19
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Expires: 1984-12-07
Abstract
No abstract record available.
Inventors
- 👤 Adolf E Schwedhelm
- 👤 Kull Friedrich Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:31
CPC Classifications
C; C25; C25D; C25D15/00; C25D15/02; C08; C08G; C08G2110/00; C08G2110/0016; C08G2110/0025; C08G2110/0041; C08G2110/005; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/934; Y10S428/935; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12806; Y10T428/12826; Y10T428/12847; Y10T428/12854; Y10T428/12861; Y10T428/12944
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
44 words
A METAL ARTICLE HAVING THEREON A CORROSION RESISTANT COATING WHICH COMPRISES A COATING OF ELECTRODEPOSITED NICKEL CONTAINING UNIFORMLY DISPERSED, FINELY DIVIDED CARBON PARTICLES OF A SIZE ON THE ORDER OF 20 TO 100 A., AND AN OUTER COATING OF ELECTRODEPOSITED CHROMIUM ON SAID NICKEL.
Claim 2
Dependent Claim
44 words
A METAL ARTICLE HAVING THEREON A CORROSION RESISTANT COATING WHICH COMPRISES A COATING OF ELECTRODEPOSITED NICKEL CONTAINING UNIFORMLY DISPERSED, FINELY DIVIDED CARBON PARTICLES OF A SIZE ON THE ORDER OF 20 TO 100 A., AND AN OUTER COATING OF ELECTRODEPOSITED CHROMIUM ON SAID NICKEL.
Claim 3
Dependent Claim
69 words
THE PROCESS OF PRODUCING A CORROSION RESISTANT COATING ON A BASE METAL, COMPRISING ELECTTODEPOSITING NICKEL UPON SAID BASE METAL ACTING AS A CATHODE FROM AN AQUEOUS SOLUTION CONTAINING AT LEAST ONE NICKEL SALT AND DISPERSED CARBON PARTICLES OF A SIZE ON THE ORDER OF 20 TO 100 A. IN THE AMOUNT OF APPROXIMATELY 0.5 TO 2.0 GRAMS PER LITER, AND ELECTRODEPOSITING CHROMIUM TO FORM A LAYER ON SAID NICKEL.
Claim 4
Dependent Claim
69 words
THE PROCESS OF PRODUCING A CORROSION RESISTANT COATING ON A BASE METAL, COMPRISING ELECTTODEPOSITING NICKEL UPON SAID BASE METAL ACTING AS A CATHODE FROM AN AQUEOUS SOLUTION CONTAINING AT LEAST ONE NICKEL SALT AND DISPERSED CARBON PARTICLES OF A SIZE ON THE ORDER OF 20 TO 100 A. IN THE AMOUNT OF APPROXIMATELY 0.5 TO 2.0 GRAMS PER LITER, AND ELECTRODEPOSITING CHROMIUM TO FORM A LAYER ON SAID NICKEL.
References Cited (Backward Citations)
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Cited
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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) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |