US3003933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electro-plating of metals
Assignee: Individual
•
Filing: 1958-04-21
•
Granted: 1961-10-10
•
Expires: 1978-04-21
Abstract
No abstract record available.
Inventors
- 👤 Atkinson James Thomas Nesbitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:25
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/34; C25D5/42; C25D5/44; C25D3/00; C25D3/02; C25D3/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A METHOD OF ELECTRO-PLATING NICKEL DIRECTLY ONTO THE SURFACE OF A CLEAN CATHODIC METAL MEMBER SELECTED FROM THE GROUP CONSISTING OF ALUMINUM AND ALUMINUM BASE ALLOYS WHICH COMPRISES: IMMERSING AN ANODE AND SAID CATHODIC METAL MEMBER INTO A PLATING BATH SOLUTION HAVING A PH NOT OVER ABOUT 4.0, SAID SOLUTION CONTAINING DISSOLVED THEREIN PER LITRE ABOUT 100 TO 400 GRAMS OF CRYSTALLINE NICKEL SULPHATE, ABOUT 300 TO 75 MILLILITRES OF NICKEL FLUOBORATE SOLUTION (SPECIFIC GRAVITY 1.49), FROM ABOUT 1/4 TO 1 GRAM OF CRYSTALLINE NICKEL CHLORIDE, AND FROM ABOUT 10 TO 40 GRAMS OF BORIC ACID, AND PASSING AN ELECTRIC CURRENT THROUGH SAID SOLUTION BETWEEN SAID CATHODIC METAL MEMBER AND SAID ANODE UNTIL A NICKEL PLATE OF THE DESIRED THICKNESS HAS BEEN DEPOSITED ON SAID CATHODIC METAL MEMBER.
Claim 2
Independent Claim
128 words
A METHOD OF ELECTRO-PLATING NICKEL DIRECTLY ONTO THE SURFACE OF A CLEAN CATHODIC METAL MEMBER SELECTED FROM THE GROUP CONSISTING OF ALUMINUM AND ALUMINUM BASE ALLOYS WHICH COMPRISES: IMMERSING AN ANODE AND SAID CATHODIC METAL MEMBER INTO A PLATING BATH SOLUTION HAVING A PH NOT OVER ABOUT 4.0, SAID SOLUTION CONTAINING DISSOLVED THEREIN PER LITRE ABOUT 100 TO 400 GRAMS OF CRYSTALLINE NICKEL SULPHATE, ABOUT 300 TO 75 MILLILITRES OF NICKEL FLUOBORATE SOLUTION (SPECIFIC GRAVITY 1.49), FROM ABOUT 1/4 TO 1 GRAM OF CRYSTALLINE NICKEL CHLORIDE, AND FROM ABOUT 10 TO 40 GRAMS OF BORIC ACID, AND PASSING AN ELECTRIC CURRENT THROUGH SAID SOLUTION BETWEEN SAID CATHODIC METAL MEMBER AND SAID ANODE UNTIL A NICKEL PLATE OF THE DESIRED THICKNESS HAS BEEN DEPOSITED ON SAID CATHODIC METAL MEMBER.
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) | 1964-10-09 | 1965-04-10 | 1965-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-09 | 1969-04-10 | 1969-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-09 | 1973-04-10 | 1973-10-10 | $7700.00 | Window Closed / Lapsed |