US3148072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroless deposition of nickel
Assignee: Westinghouse Electric Corp
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Filing: 1960-09-22
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Granted: 1964-09-08
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Expires: 1980-09-22
Abstract
No abstract record available.
Inventors
- 👤 Harry J West
- 👤 Richard F Gieselman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:41
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
89 words
A BATH FOR THE CHEMICAL PLATING OF A CATALYTIC MATERIAL WITH NICKEL COMPRISING AN AQUEOUS SOLUTION OF AN IONIZED NICKEL SALT, HYPOPHOSPHITE, A COMPLEIXNG AGENT AND CHROMIUM SALT, THE CHROMIUM IONS BEING PRESENT IN AN AMOUNT OF FROM ABOUT 0.005 TO 0.075 MOLE PER LITER OF PLATING BATH, THE HYPOPHOSPHITE IONS BEING PRESENT IN AN AMOUNT OF FROM ABOUT 0.05 TO 0.10 MOLE PER LITER OF PLATING BATH, AND THE RATIO OF THE NICKEL IONS TO THE HYPOPHOSPHITE IONS BEING IN THE RANGE OF FROM ABOUT 20:1 TO 40:1.
Claim 2
Dependent Claim
89 words
A BATH FOR THE CHEMICAL PLATING OF A CATALYTIC MATERIAL WITH NICKEL COMPRISING AN AQUEOUS SOLUTION OF AN IONIZED NICKEL SALT, HYPOPHOSPHITE, A COMPLEIXNG AGENT AND CHROMIUM SALT, THE CHROMIUM IONS BEING PRESENT IN AN AMOUNT OF FROM ABOUT 0.005 TO 0.075 MOLE PER LITER OF PLATING BATH, THE HYPOPHOSPHITE IONS BEING PRESENT IN AN AMOUNT OF FROM ABOUT 0.05 TO 0.10 MOLE PER LITER OF PLATING BATH, AND THE RATIO OF THE NICKEL IONS TO THE HYPOPHOSPHITE IONS BEING IN THE RANGE OF FROM ABOUT 20:1 TO 40:1.
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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |