US2955959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemical nickel plating
Assignee: Individual
•
Filing: 1958-09-22
•
Granted: 1960-10-11
•
Expires: 1978-09-22
Abstract
No abstract record available.
Inventors
- 👤 Rose Arthur H Du
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:59
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/1601; C23C18/1633; C23C18/1675; C23C18/1678; C23C18/168; C23C18/31; C23C18/32; C23C18/34; C23C18/36; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/298
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A PROCESS COMPRISING SUBJECTING A SURFACE OF A WORKPIECE TO BE COATED WITH NICKEL TO A BODY OF CHEMICAL NICKEL PLATING SOLUTION COMPRISING NICKEL CATIONS AND HYPOPHOSPHITE ANIONS FOR TIME SUFFICIENT TO PRODUCE A COATING OF DESIRED THICKNESS, SAID SOLUTION, EXCEPT ESSENTIALLY A THIN LAYER THEREOF CLOSELY ADJACENT TO SAID WORKPIECE SURFACE BEING MAINTAINED AT TEMPERATURES BELOW THE PRECIPITATING TEMPERATURE THEREOF, SAID SURFACE OF SAID WORKPIECE BEING MAINTAINED AT TEMPERATURES ABOVE THE PRECIPITATING TEMPERATURE OF SAID SOLUTION AND BELOW THE BOILING POINT THEREOF WHEREBY A THIN LAYER OF SOLUTION ADJACENT SAID SURFACE IS AT A TEMPERATURE ABOVE THE PRECIPITATING TEMPERATURE OF SAID SOLUTION AND BELOW THE BOILING POINT THEREOF, SAID SURFACE OF SAID WORKPIECE BEING COMPOSED OF A SUBSTANCE OF THE CLASS CONSISTING OF COPPER, SILVER, GOLD, BERYLLIUM, BORON, GERNAMIUM, ALUMINUM, THALLIUM, SILICON, CARBON, VANADIUM, MOLUBEDENUM, TUNGSTEN, CHROMIUM, SELENIUM, TELLURIUM, TITANIUM, IRON, COBALT, NICKEL, PALLADIUM, PLATINUM AND ALLOYS THEREOF.
Claim 2
Dependent Claim
149 words
A PROCESS COMPRISING SUBJECTING A SURFACE OF A WORKPIECE TO BE COATED WITH NICKEL TO A BODY OF CHEMICAL NICKEL PLATING SOLUTION COMPRISING NICKEL CATIONS AND HYPOPHOSPHITE ANIONS FOR TIME SUFFICIENT TO PRODUCE A COATING OF DESIRED THICKNESS, SAID SOLUTION, EXCEPT ESSENTIALLY A THIN LAYER THEREOF CLOSELY ADJACENT TO SAID WORKPIECE SURFACE BEING MAINTAINED AT TEMPERATURES BELOW THE PRECIPITATING TEMPERATURE THEREOF, SAID SURFACE OF SAID WORKPIECE BEING MAINTAINED AT TEMPERATURES ABOVE THE PRECIPITATING TEMPERATURE OF SAID SOLUTION AND BELOW THE BOILING POINT THEREOF WHEREBY A THIN LAYER OF SOLUTION ADJACENT SAID SURFACE IS AT A TEMPERATURE ABOVE THE PRECIPITATING TEMPERATURE OF SAID SOLUTION AND BELOW THE BOILING POINT THEREOF, SAID SURFACE OF SAID WORKPIECE BEING COMPOSED OF A SUBSTANCE OF THE CLASS CONSISTING OF COPPER, SILVER, GOLD, BERYLLIUM, BORON, GERNAMIUM, ALUMINUM, THALLIUM, SILICON, CARBON, VANADIUM, MOLUBEDENUM, TUNGSTEN, CHROMIUM, SELENIUM, TELLURIUM, TITANIUM, IRON, COBALT, NICKEL, PALLADIUM, PLATINUM AND ALLOYS THEREOF.
References Cited (Backward Citations)
US97838A
Cited
US2532283A
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 |