US2533532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrodeposition of nickel
Assignee: Champion Paper and Fibre Co
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Filing: 1946-01-08
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Granted: 1950-12-12
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Expires: 1966-01-08
Abstract
No abstract record available.
Inventors
- 👤 Jr William B Stoddard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:26
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/02; C25D3/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
IN THE ELECTRODEPOSITION OF NICKEL FROM A BATH OF THE WATTS TYPE WHEREIN THE NICKEL SULPHATE AND NICKEL CHLORIDE ARE PRESENT IN A RATIO BETWEEN 2:1 AND 8:1, WHICH IS SUBSTANTIALLY FREE FROM FORMALDEHYDE AND FROM SODIUM, POTASSIUM, AND AMMONIUM IONS, THE METHOD OF SETTING UP THE OPERATION TO YIELD DEPOSITS OF A PREDETERMINED SPECIFIED HARDNESS BETWEEN ABOUT 100 AND ABOUT 400 VICKERS, WHICH COMPRISES INCLUDING THE FORM ATE RADICAL IN TEH BATH ADN SO ESTABLISHING THE PROPORTION THEREOF, AND OTHER CONDITIONS OF DEPOSITION, IN ACCORDANCE WITH THE DEGREE OF VICKERS HARDNESS V SPECIFIED FOR THE DEPOSIT THAT,
Claim 2
Dependent Claim
98 words
IN THE ELECTRODEPOSITION OF NICKEL FROM A BATH OF THE WATTS TYPE WHEREIN THE NICKEL SULPHATE AND NICKEL CHLORIDE ARE PRESENT IN A RATIO BETWEEN 2:1 AND 8:1, WHICH IS SUBSTANTIALLY FREE FROM FORMALDEHYDE AND FROM SODIUM, POTASSIUM, AND AMMONIUM IONS, THE METHOD OF SETTING UP THE OPERATION TO YIELD DEPOSITS OF A PREDETERMINED SPECIFIED HARDNESS BETWEEN ABOUT 100 AND ABOUT 400 VICKERS, WHICH COMPRISES INCLUDING THE FORM ATE RADICAL IN TEH BATH ADN SO ESTABLISHING THE PROPORTION THEREOF, AND OTHER CONDITIONS OF DEPOSITION, IN ACCORDANCE WITH THE DEGREE OF VICKERS HARDNESS V SPECIFIED FOR THE DEPOSIT THAT,
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) | 1953-12-11 | 1954-06-12 | 1954-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-11 | 1958-06-12 | 1958-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-11 | 1962-06-12 | 1962-12-12 | $7700.00 | Window Closed / Lapsed |