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Material Science
Class Information
Number:
420/435
Name:
Alloys or metallic compositions
> Cobalt base
Description:
Alloy, or metallic composition which contains over 50 percent of cobalt.
Sub-classes under this class:
Class Number
Class Name
Patents
420/436
Chromium containing
111
Patents under this class:
1
2
3
4
5
Patent Number
Title Of Patent
Date Issued
3976436
Metal of improved environmental resistance
Aug. 24, 1976
3972746
Co-Si-X aligned eutectics
Aug. 3, 1976
3972747
Co-Si-X aligned eutectics
Aug. 3, 1976
3972748
Co-Si-X aligned eutectics
Aug. 3, 1976
3950194
Permanent magnet materials
Apr. 13, 1976
3947295
Hard magnetic material
Mar. 30, 1976
3933481
High-temperature eutectoid alloy and process of making
Jan. 20, 1976
1
2
3
4
5
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