US3170855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bright nickel plating baths
Assignee: Sarki Research and Development Corp
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Filing: 1963-03-18
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Granted: 1965-02-23
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Expires: 1983-03-18
Abstract
No abstract record available.
Inventors
- 👤 Kroll Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:11
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/06; C07D213/16; C07D213/20; C07D217/00; C07D217/02; C07D217/10; C25; C25D; C25D3/00; C25D3/02; C25D3/12; C25D3/14; C25D3/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
AN AQUEOUS ELECTROLYTIC BATH FOR THE ELECTRODEPOSITION OF MIRROR BRIGHT DUCTILE NICKEL WHICH COMPRISES A SOLUTION CONTAINING SOLUBLE NICKEL SALTS AND AT LEAST ONE ORGANIC SULFUR COMPOUND SELECTED FROM THE GROUP CONSISTING OF UNSATURATED ALIPHATIC SULFONIC ACIDS, AROMATIC SULFONIC ACIDS, AROMATIC SULFONAMIDE AND SULFONIMIDES, AND A BRIGHTENER CONSISTING ESSENTIALLY OF A COMPONENT SELECTED FROM (A) AND (B), WHEREIN (A) IS SELECTED FROM THE GROUP CONSISTING OF:
Claim 2
Dependent Claim
66 words
AN AQUEOUS ELECTROLYTIC BATH FOR THE ELECTRODEPOSITION OF MIRROR BRIGHT DUCTILE NICKEL WHICH COMPRISES A SOLUTION CONTAINING SOLUBLE NICKEL SALTS AND AT LEAST ONE ORGANIC SULFUR COMPOUND SELECTED FROM THE GROUP CONSISTING OF UNSATURATED ALIPHATIC SULFONIC ACIDS, AROMATIC SULFONIC ACIDS, AROMATIC SULFONAMIDE AND SULFONIMIDES, AND A BRIGHTENER CONSISTING ESSENTIALLY OF A COMPONENT SELECTED FROM (A) AND (B), WHEREIN (A) IS SELECTED FROM THE GROUP CONSISTING OF:
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) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |