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 23:20
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.
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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 |