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Patent US2694041A successfully refreshed from Google Patents.
US2694041A
Expired / Lapsed
US
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Electrodeposition of nickel
Assignee: Udylite Corp
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Filing: 1953-08-14
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Granted: 1954-11-09
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Expires: 1973-08-14
Abstract
No abstract record available.
Inventors
- 👤 Brown Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:40
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/12; C25D3/14; C25D3/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A BATH FOR ELECTRODEPOSITING LUSTROUS NICKEL COMPRISING AN AQUEOUS ACIDIC SOLUTION CONSISTING ESSENTIALLY OF AN ELECTROLYTE SELECTED FROM THE GROUP CONSISTING OF NICKEL SULFATE, NICKEL CHLORIDE AND A MIXTURE OF NICKEL SULFATE AND NICKEL CHLORIDE IN THE PRESENCE OF 0.5 TO 3.0 GRAMS/LITER OF COUMARIN SULFONIC ACID.
Claim 2
Dependent Claim
47 words
A BATH FOR ELECTRODEPOSITING LUSTROUS NICKEL COMPRISING AN AQUEOUS ACIDIC SOLUTION CONSISTING ESSENTIALLY OF AN ELECTROLYTE SELECTED FROM THE GROUP CONSISTING OF NICKEL SULFATE, NICKEL CHLORIDE AND A MIXTURE OF NICKEL SULFATE AND NICKEL CHLORIDE IN THE PRESENCE OF 0.5 TO 3.0 GRAMS/LITER OF COUMARIN SULFONIC ACID.
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) | 1957-11-08 | 1958-05-10 | 1958-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-08 | 1962-05-10 | 1962-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-08 | 1966-05-10 | 1966-11-09 | $7700.00 | Window Closed / Lapsed |