US2885329A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for electro-nickel plating wolfram carbide
Assignee: Individual
•
Filing: 1951-05-10
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Granted: 1959-05-05
•
Expires: 1971-05-10
Abstract
No abstract record available.
Inventors
- 👤 Harvey L Slatin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:34
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/02; G21C3/04; G21C3/16; G21C3/18; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
THE METHOD OF ELECTRO-NICKEL PLATING ARTICLES COMPRISING WOLFRAM CARBIDE WHICH COMPRISES MAKING THE ARTICLE ANODIC AT A CURRENT DENSITY FROM 1 TO 5 AMPERES PER SQUARE INCH IN AN AQUEOUS SOLUTION CONTAINING FROM 100 TO 250 GRAMS PER LITER OF SODUIM PYROPHOSPHATE FOR A TIME OF FROM 10 T/ 30 MINUTES WITHIN A TEMPERATURE RANGE OF FROM 20* TO 60* C., AND THEN ELECTROLYTICALLY DEPOSITING A NICKEL COATING ON THE RESULTANT ETCHED SURFACE FROM AN AQUEOUS NICKEL SALT SOLUTION.
Claim 2
Independent Claim
79 words
THE METHOD OF ELECTRO-NICKEL PLATING ARTICLES COMPRISING WOLFRAM CARBIDE WHICH COMPRISES MAKING THE ARTICLE ANODIC AT A CURRENT DENSITY FROM 1 TO 5 AMPERES PER SQUARE INCH IN AN AQUEOUS SOLUTION CONTAINING FROM 100 TO 250 GRAMS PER LITER OF SODUIM PYROPHOSPHATE FOR A TIME OF FROM 10 T/ 30 MINUTES WITHIN A TEMPERATURE RANGE OF FROM 20* TO 60* C., AND THEN ELECTROLYTICALLY DEPOSITING A NICKEL COATING ON THE RESULTANT ETCHED SURFACE FROM AN AQUEOUS NICKEL SALT SOLUTION.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |