Patent US4483100A successfully refreshed from Google Patents.
Patent US3264199A successfully refreshed from Google Patents.
US3264199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroless plating of metals
Assignee: Ford Motor Co
•
Filing: 1962-06-25
•
Granted: 1966-08-02
•
Expires: 1982-06-25
Abstract
No abstract record available.
Inventors
- 👤 Jr Wayne Martin Fassell
- 👤 Hugh C Boyd
- 👤 Albert M Saul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:36
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/31; C23C18/32; C23C18/34; C23C18/36; C23C18/48; C23C18/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
191 words
IN THE PROCESS FOR DEPOSITING A NICKEL-CONTAINING COATING ONTO A SURFACE OF A METALLIC OBJECT, WHICH PROCESS COMPRISES APPLYING AN AQUEOUS SOLUTION CONTAINING NICKEL IONS AND HYPOPHOSPHITE IONS TO SAID SURFACE FOR A TIME SUFFICIENT TO PERMIT DEPOSITION OF NICKEL ONTO SAID SURFACE BY THE REDUCTION THEREAT OF SOME OF SAID NICKEL IONS OF SAID SOLUTION BY SOME OF SAID HYPOHOSPHITE IONS THEREOF, THE IMPROVEMENT COMPRISING SUPPLYING A SUCCESSION OF PULSES OF UNIDIRECTIONAL CURRENT THROUGH SAID APPLIED SOLUTION TO SAID SURFACE OF SAID METALLIC OBJECT, SAID METALLIC OBJECT BEING POLED CATHODICALLY DURING EACH OF SAID CURRENT PULSES, THE CURRENT DENSITY AT SAID SURFACE DURING EACH OF SAID CURRENT PULSES BEING BETWEEN ABOUT 0.1 AMPERE PER SQUARE FOOT AND ABOUT 10 AMPERES PER SQUARE FOOT, THE DURATION OF EACH OF SAID CURRENT PULSES BEING BETWEEN ABOUT ONE SECOND AND ABOUT TEN SECONDS, AND THE INTERVAL BETWEEN THE INCEPTION OF SUCCESSIVE ONES OF SAID PULSES BEING ABOUT ONE MINUTE, AND CONTINUING SAID APPLICATION OF SAID SOLUTION AND SAID SUPPLYING OF SAID CURRENT PULSES FOR A TIME GREATER THAN THAT REQUIRED FOR TWO SUCCESSIVE ONES OF SAID PULSES TO BE SUPPLIED TO SAID SURFACE.
Claim 2
Dependent Claim
191 words
IN THE PROCESS FOR DEPOSITING A NICKEL-CONTAINING COATING ONTO A SURFACE OF A METALLIC OBJECT, WHICH PROCESS COMPRISES APPLYING AN AQUEOUS SOLUTION CONTAINING NICKEL IONS AND HYPOPHOSPHITE IONS TO SAID SURFACE FOR A TIME SUFFICIENT TO PERMIT DEPOSITION OF NICKEL ONTO SAID SURFACE BY THE REDUCTION THEREAT OF SOME OF SAID NICKEL IONS OF SAID SOLUTION BY SOME OF SAID HYPOHOSPHITE IONS THEREOF, THE IMPROVEMENT COMPRISING SUPPLYING A SUCCESSION OF PULSES OF UNIDIRECTIONAL CURRENT THROUGH SAID APPLIED SOLUTION TO SAID SURFACE OF SAID METALLIC OBJECT, SAID METALLIC OBJECT BEING POLED CATHODICALLY DURING EACH OF SAID CURRENT PULSES, THE CURRENT DENSITY AT SAID SURFACE DURING EACH OF SAID CURRENT PULSES BEING BETWEEN ABOUT 0.1 AMPERE PER SQUARE FOOT AND ABOUT 10 AMPERES PER SQUARE FOOT, THE DURATION OF EACH OF SAID CURRENT PULSES BEING BETWEEN ABOUT ONE SECOND AND ABOUT TEN SECONDS, AND THE INTERVAL BETWEEN THE INCEPTION OF SUCCESSIVE ONES OF SAID PULSES BEING ABOUT ONE MINUTE, AND CONTINUING SAID APPLICATION OF SAID SOLUTION AND SAID SUPPLYING OF SAID CURRENT PULSES FOR A TIME GREATER THAN THAT REQUIRED FOR TWO SUCCESSIVE ONES OF SAID PULSES TO BE SUPPLIED TO SAID SURFACE.
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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |