US2819188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Processes of chemical nickel plating
Assignee: General American Transportation Corp
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Filing: 1954-05-18
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Granted: 1958-01-07
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Expires: 1974-05-18
Abstract
No abstract record available.
Inventors
- 👤 Donald E Metheny
- 👤 Talmey Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:06
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
138 words
THE PROCESS OF CHEMICALLY PLATING WITH NICKEL A SOLID BODY OF CATALYTIC MATERIAL, WHICH COMPRISES PROVIDING A HOT AQUEOUS CHEMICAL NICKEL PLATING BATH OF THE NICKEL CATION-HYPOPHOSPHITE ANION TYPE, INJECTING A LIGHT GAS FROM AN EXTERNAL SOURCE INTO SAID HOT PLATING BATH IN ORDER TO MAINTAIN A SUBSTANTIAL DISPERSION OF SAID LIGHT GAS IN SAID HOT PLATING BATH, SAID LIGHT GAS BEING CHEMICALLY INERT WITH RESPECT TO SAID HOT PLATING BATH AND HAVING A MOLECULAR WEIGHT THAT IS NOT GREATER THAN THAT OF NEON SO THAT IT HAS A HIGH DIFFSUION RATE IN SAID HOT PLATING BATH AND A LOW SURFACE TENSION WITH RESPECT THERETO, AND CONTACTING SAID BODY WITH SAID HOT PLATING BATH HAVING SAID SUBSTANTIALLY DISPERSION OF SAID LIGHT INERT GAS THEREIN, WHEREBY A BRIGHT SMOOTH NICKEL PLATING IS DEPOSITED UPON THE SURFACE OF SAID BODY.
Claim 2
Dependent Claim
138 words
THE PROCESS OF CHEMICALLY PLATING WITH NICKEL A SOLID BODY OF CATALYTIC MATERIAL, WHICH COMPRISES PROVIDING A HOT AQUEOUS CHEMICAL NICKEL PLATING BATH OF THE NICKEL CATION-HYPOPHOSPHITE ANION TYPE, INJECTING A LIGHT GAS FROM AN EXTERNAL SOURCE INTO SAID HOT PLATING BATH IN ORDER TO MAINTAIN A SUBSTANTIAL DISPERSION OF SAID LIGHT GAS IN SAID HOT PLATING BATH, SAID LIGHT GAS BEING CHEMICALLY INERT WITH RESPECT TO SAID HOT PLATING BATH AND HAVING A MOLECULAR WEIGHT THAT IS NOT GREATER THAN THAT OF NEON SO THAT IT HAS A HIGH DIFFSUION RATE IN SAID HOT PLATING BATH AND A LOW SURFACE TENSION WITH RESPECT THERETO, AND CONTACTING SAID BODY WITH SAID HOT PLATING BATH HAVING SAID SUBSTANTIALLY DISPERSION OF SAID LIGHT INERT GAS THEREIN, WHEREBY A BRIGHT SMOOTH NICKEL PLATING IS DEPOSITED UPON THE SURFACE OF SAID BODY.
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) | 1961-01-06 | 1961-07-08 | 1962-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-06 | 1965-07-08 | 1966-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-06 | 1969-07-08 | 1970-01-07 | $7700.00 | Window Closed / Lapsed |