Patent US2432960A successfully refreshed from Google Patents.
Patent US2533533A 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
2026-11-07 07:49
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.
References Cited (Backward Citations)
US1455028A
Cited
US1793936A
Cited
US1674941A
Cited
US1906376A
Cited
US2132438A
Cited
US2334699A
Cited
US2299054A
Cited
US2457061A
Cited
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 |