Patent US2071110A successfully refreshed from Google Patents.
US2533533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming a strongly adherent electrodeposit
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
2026-11-03 20:57
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
IN PREPARATION FOR THE ELECTRODEPOSITION OF NICKEL ONTO A METALLIC SURFACE COMPOSED IN PART OF SOLDER AND PART OF A METAL CHOSEN FROM THE CLASS CONSISTING OF STEEL AND NICKEL, THE STEP OF FORMING ON AND CO-EXTENSIVE WITH THE SURFACE OF THE SOLDER, BY MAKING THE SURFACE ANODE IN A CONCENTRATED AQUEOUS SOLUTION OF SULPHURIC ACID AND PHOSPHORIC ACID AN ELECTRICALLY CONDUCTING FILM WHICH IS RESISTANT TO PENETRATION OR REMOVAL BY THE PLATING SOLUTION.
Claim 2
Dependent Claim
74 words
IN PREPARATION FOR THE ELECTRODEPOSITION OF NICKEL ONTO A METALLIC SURFACE COMPOSED IN PART OF SOLDER AND PART OF A METAL CHOSEN FROM THE CLASS CONSISTING OF STEEL AND NICKEL, THE STEP OF FORMING ON AND CO-EXTENSIVE WITH THE SURFACE OF THE SOLDER, BY MAKING THE SURFACE ANODE IN A CONCENTRATED AQUEOUS SOLUTION OF SULPHURIC ACID AND PHOSPHORIC ACID AN ELECTRICALLY CONDUCTING FILM WHICH IS RESISTANT TO PENETRATION OR REMOVAL BY THE PLATING SOLUTION.
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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 |