US2658841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of chemical nickel plating and bath therefor
Assignee: General American Transportation Corp
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Filing: 1950-11-08
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Granted: 1953-11-10
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Expires: 1970-11-08
Abstract
No abstract record available.
Inventors
- 👤 Gutzeit Gregoire
- 👤 Krieg Abraham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:49
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/31; C23C18/32; C23C18/34; C23C18/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
THE PROCESS OF CHEMICALLY PLATING WITH NICKEL A SOLID BODY ESSENTIALLY COMPRISING AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF COPPER, SILVER, GOLD, ALUMINUM, IRON, COBALT, NICKEL, PALLADIUM AND PLATINUM, WHICH COMPRISES CONTACTING SAID BODY WITH A BATH CONSISTING ESSENTIALLY OF AN AQUEOUS SOLTUION OF A NICKEL SALT AND A HYPOPHOSPHITE, WHEREIN THE RATIO BETWEEN NICKEL IONS AND HYPOPHOSPHITE IONS IN SAID BATH EXPRESSED IN MOLAR CONCENTRATIONS IN WITHIN THE RANGE 0.25 TO 0.60, WHEREIN THE ABSOLUTE CONCENTRATION OF HYPOPHOSPHITE IONS IN SAID BATH EXPRESSED IN MOLE/LITER IS WITHIN THE RANGE 0.15 TO 0.35, AND WHEREIN THE INITIAL PH OF SAID BATH IS WITHIN THE APPROXIMATE RANGE 4.5 TO 5.6.
Claim 2
Dependent Claim
110 words
THE PROCESS OF CHEMICALLY PLATING WITH NICKEL A SOLID BODY ESSENTIALLY COMPRISING AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF COPPER, SILVER, GOLD, ALUMINUM, IRON, COBALT, NICKEL, PALLADIUM AND PLATINUM, WHICH COMPRISES CONTACTING SAID BODY WITH A BATH CONSISTING ESSENTIALLY OF AN AQUEOUS SOLTUION OF A NICKEL SALT AND A HYPOPHOSPHITE, WHEREIN THE RATIO BETWEEN NICKEL IONS AND HYPOPHOSPHITE IONS IN SAID BATH EXPRESSED IN MOLAR CONCENTRATIONS IN WITHIN THE RANGE 0.25 TO 0.60, WHEREIN THE ABSOLUTE CONCENTRATION OF HYPOPHOSPHITE IONS IN SAID BATH EXPRESSED IN MOLE/LITER IS WITHIN THE RANGE 0.15 TO 0.35, AND WHEREIN THE INITIAL PH OF SAID BATH IS WITHIN THE APPROXIMATE RANGE 4.5 TO 5.6.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |