US2956900A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nickel coating composition and method of coating
Assignee: ALPHA METAL LAB Inc
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Filing: 1958-07-25
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Granted: 1960-10-18
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Expires: 1978-07-25
Abstract
No abstract record available.
Inventors
- 👤 Arthur M Carlson
- 👤 Carl E Prymula
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:08
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/31; C23C18/32; C23C18/34; C23C18/36
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
122 words
A PROCESS OF COATING A SURFACE WITH NICKEL WHICH COMPRISES SPRAYING SEPARATELY AND DIRECTING TOWARD THE SURFACE SO THAT THE SOLUTIONS CONVERGE ON THE SURFACE A NICKEL SOLUTION AND REDUCER SOLUTION, SAID NICKEL SOLUTION CONSISTING ESSENTIALLY OF A NICKEL SALT, SELECTED FROM THE GROUP CONSISTING OF NICKEL SULPHATE, NICKEL CHLORIDE, AND NICKEL FORMATE, WATER, AND CITRIC ACID IN A MOLAR RATIO OF NICKEL SULPHATE TO CITRIC ACID OF BETWEEN APPROXIMATELY 1.3 AND 2.0, AND A MOLAR RATIO OF SUCH OTHER NICKEL SALTS TO CITRIC ACID OF BETWEEN APPROXIMATELY 1.3 AND 2.85 AND SAID REDUCER SOLUTION CONSISTING ESSENTIALLY OF AN ALKALINE SOLUTION OF SODIUM HYDROSULPHITE AND SODIUM HYPOPHOSPHITE, THE MOLAR RATIO OF SODIUM HYDROSULPHITE TO SODIUM HYPOPHOSPHITE BEING BETWEEN APPROXIMATELY 1.40 AND 3.53.
Claim 2
Dependent Claim
122 words
A PROCESS OF COATING A SURFACE WITH NICKEL WHICH COMPRISES SPRAYING SEPARATELY AND DIRECTING TOWARD THE SURFACE SO THAT THE SOLUTIONS CONVERGE ON THE SURFACE A NICKEL SOLUTION AND REDUCER SOLUTION, SAID NICKEL SOLUTION CONSISTING ESSENTIALLY OF A NICKEL SALT, SELECTED FROM THE GROUP CONSISTING OF NICKEL SULPHATE, NICKEL CHLORIDE, AND NICKEL FORMATE, WATER, AND CITRIC ACID IN A MOLAR RATIO OF NICKEL SULPHATE TO CITRIC ACID OF BETWEEN APPROXIMATELY 1.3 AND 2.0, AND A MOLAR RATIO OF SUCH OTHER NICKEL SALTS TO CITRIC ACID OF BETWEEN APPROXIMATELY 1.3 AND 2.85 AND SAID REDUCER SOLUTION CONSISTING ESSENTIALLY OF AN ALKALINE SOLUTION OF SODIUM HYDROSULPHITE AND SODIUM HYPOPHOSPHITE, THE MOLAR RATIO OF SODIUM HYDROSULPHITE TO SODIUM HYPOPHOSPHITE BEING BETWEEN APPROXIMATELY 1.40 AND 3.53.
Claim 3
Dependent Claim
31 words
THE PROCESS OF CLAIM 1, WHEREIN THE SURFACE IS AN ORGANIC PLASTIC SENSITIZED WITH STANNOUS CHLORIDE PRIOR TO COATING AND THE TEMPERATURE OF THE SOLUTIONS IS FROM 60* F. TO 100*F.
References Cited (Backward Citations)
GB493379A
Cited
US2689191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-18 | 1964-04-18 | 1964-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-18 | 1968-04-18 | 1968-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-18 | 1972-04-18 | 1972-10-18 | $7700.00 | Window Closed / Lapsed |