Patent US4872850A successfully refreshed from Google Patents.
Patent US2850441A successfully refreshed from Google Patents.
US2850441A
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Chemical displacement process of plating cadmium on aluminum
Assignee: Motors Liquidation Co
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Filing: 1954-12-28
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Granted: 1958-09-02
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Expires: 1974-12-28
Abstract
No abstract record available.
Inventors
- 👤 Joseph L Greene
- 👤 James C Holzwarth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:49
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/31; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/934; Y10S428/935; Y10S428/936; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12736; Y10T428/12771; Y10T428/12785
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
70 words
A METHOD OF FORMING AN ALUMINUM BEARING HAVING A THIN OVERLAY OF ELECTRODEPOSITED BABBITT THEREON WHICH COMPRISES PLATING A THIN ADHERENT COATING OF CADMIUM ON THE ALUMINUM BY IMMERSING THE ALUMINUM IN AN AQUEOUS SOLUTION CONSISTING ESSENTIALLY OF 37 GRAMS PER LITER CDCL2,2 1/2H2O AND 40 MILLILITERS PER LITER CONCENTRATED HYDROCHLORIC ACID TO DEPOSIT ADHERENT CADMIUM WITHOUT USE OF ELECTROPLATING CURRENT AND THEN ELECTRODEPOSITING THE BABBITT OVERLAY ON THE CADMIUM.
References Cited (Backward Citations)
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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) | 1961-09-01 | 1962-03-03 | 1962-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-01 | 1966-03-03 | 1966-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-01 | 1970-03-03 | 1970-09-02 | $7700.00 | Window Closed / Lapsed |