Patent US2982019A successfully refreshed from Google Patents.
US2982019A
Expired / Lapsed
US
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Method of protecting magnesium with a coating of titanium or zirconium
Assignee: Union Carbide Corp
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Filing: 1955-08-15
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Granted: 1961-05-02
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Expires: 1975-08-15
Abstract
No abstract record available.
Inventors
- 👤 Folsom E Drummond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:08
CPC Classifications
G; G01; G01L; G01L15/00; B; B23; B23K; B23K20/00; B23K20/16; B23K35/00; B23K35/001; B23K35/002; B23K2103/00; B23K2103/16; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/937; Y10S428/938; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12785; Y10T428/12792; Y10T428/12806
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A METHOD OF PROTECTING MAGNESIUM METAL SURFACES AGAINST CORROSION, WHICH COMPRISES APPLYING ON SAID MAGNESIUM METAL MOLTEN METAL SELECTED FROM THE GROUP CONSISTING OF ZINC, CADMIUM AND ALLOYS THEREOF, APPLYING THEREOVER A SHEET OF METAL, SELECTED FROM THE GROUP CONSISTING OF TITANIUM AND ZIRCONIUM, HEATING THE RESULTANT SHEET MATERIAL TO A TEMPERATURE OF ABOUT 600-700*F. AND PASSING THE HEATED SHEET MATERIAL THROUGH ROLLS UNDER THE APPLICATION OF PRESSURE TO PRODUCE A COMPOSITE METAL BODY OF MAGNESIUM METAL HAVING A CORROSION RESISTANT OUTER SURFACE METAL LAYER.
Claim 2
Independent Claim
85 words
A METHOD OF PROTECTING MAGNESIUM METAL SURFACES AGAINST CORROSION, WHICH COMPRISES APPLYING ON SAID MAGNESIUM METAL MOLTEN METAL SELECTED FROM THE GROUP CONSISTING OF ZINC, CADMIUM AND ALLOYS THEREOF, APPLYING THEREOVER A SHEET OF METAL, SELECTED FROM THE GROUP CONSISTING OF TITANIUM AND ZIRCONIUM, HEATING THE RESULTANT SHEET MATERIAL TO A TEMPERATURE OF ABOUT 600-700*F. AND PASSING THE HEATED SHEET MATERIAL THROUGH ROLLS UNDER THE APPLICATION OF PRESSURE TO PRODUCE A COMPOSITE METAL BODY OF MAGNESIUM METAL HAVING A CORROSION RESISTANT OUTER SURFACE METAL LAYER.
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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) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |