Patent US2267160A successfully refreshed from Google Patents.
Patent US2647866A successfully refreshed from Google Patents.
US2647866A
Expired / Lapsed
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Electroplating of nickel
Assignee: Udylite Corp
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Filing: 1950-07-17
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Granted: 1953-08-04
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Expires: 1970-07-17
Abstract
No abstract record available.
Inventors
- 👤 Brown Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:42
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/12; C25D3/14; C25D3/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A BATH FOR THE ELECTRODEPOSITION OF BRIGHT NICKEL COMPRISING AN AQUEOUS ACIDIC SOLUTION OF AT LEAST ONE NICKEL SALT SELECTED FROM THE GROUP CONSISTING OF NICKEL CHLORIDE AND NICKEL SULFATE, SAID BATH ALSO CONTAINING, IN SOLUTION, NOT MORE THAN ABOUT 1.5% OF AT LEAST ONE BRIGHTENER SELECTED FROM THE GROUP CONSISTING OF ORGANIC SULFONAMIDES, SULFONIMIDES, AND SULFONIC ACIDS, AND, IN ADDITION, ABOUT .003 TO 0.15 GRAM PER LITER OF A BATH-SOLUBLE COMPOUND IN ACCORDANCE WITH THE FORMULA
Claim 2
Dependent Claim
77 words
A BATH FOR THE ELECTRODEPOSITION OF BRIGHT NICKEL COMPRISING AN AQUEOUS ACIDIC SOLUTION OF AT LEAST ONE NICKEL SALT SELECTED FROM THE GROUP CONSISTING OF NICKEL CHLORIDE AND NICKEL SULFATE, SAID BATH ALSO CONTAINING, IN SOLUTION, NOT MORE THAN ABOUT 1.5% OF AT LEAST ONE BRIGHTENER SELECTED FROM THE GROUP CONSISTING OF ORGANIC SULFONAMIDES, SULFONIMIDES, AND SULFONIC ACIDS, AND, IN ADDITION, ABOUT .003 TO 0.15 GRAM PER LITER OF A BATH-SOLUBLE COMPOUND IN ACCORDANCE WITH THE FORMULA
References Cited (Backward Citations)
US2238861A
Cited
US2315802A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |