US2955944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroless nickel plating bath control
Assignee: Motors Liquidation Co
•
Filing: 1953-07-03
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Granted: 1960-10-11
•
Expires: 1973-07-03
Abstract
No abstract record available.
Inventors
- 👤 Robert A Spaulding
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:44
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
55 words
IN A CHEMICAL REDUCTION PLATING PROCESS UTILIZING A PLATING BATH COMPRISING AN AQUEOUS SOLUTION OF A WATERSOLUBLE NICKEL SALT AND A HYPOPHOSPHITE REDUCING AGENT, THE IMPROVEMENT WHICH COMSISTS IN MAINTAINING THE DESIRED NICKEL CONCENTRATION IN THE BATH BY ADDITIONS OF A WATERINSOLUBLE NICKEL COMPOUND WHICH IS ADAPTED TO INCREASE THE PH OF THE PLATING BATH.
Claim 2
Dependent Claim
55 words
IN A CHEMICAL REDUCTION PLATING PROCESS UTILIZING A PLATING BATH COMPRISING AN AQUEOUS SOLUTION OF A WATERSOLUBLE NICKEL SALT AND A HYPOPHOSPHITE REDUCING AGENT, THE IMPROVEMENT WHICH COMSISTS IN MAINTAINING THE DESIRED NICKEL CONCENTRATION IN THE BATH BY ADDITIONS OF A WATERINSOLUBLE NICKEL COMPOUND WHICH IS ADAPTED TO INCREASE THE PH OF THE PLATING BATH.
References Cited (Backward Citations)
US1003092A
Cited
US2541721A
Cited
US2658841A
Cited
US2658842A
Cited
US2658839A
Cited
US2726969A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |