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Class Information
Number: 420/506
Name: Alloys or metallic compositions > Silver base > Zinc, or cadmium containing
Description: Alloy which additionally contains at least one of the metals zinc, or cadmium.










Patents under this class:

Patent Number Title Of Patent Date Issued
7959855 White precious metal alloy Jun. 14, 2011
7740798 Alloy compositions and devices including the compositions Jun. 22, 2010
7160632 Material for sliding contacts, clad composite material and small-sized DC motor using the same Jan. 9, 2007
6913657 Hard precious metal alloy member and method of manufacturing same Jul. 5, 2005
6841012 Anti-tarnish silver alloy Jan. 11, 2005
6245166 Material for sliding contact, composite clad material, and small-sized direct current motor using the same Jun. 12, 2001
6139652 Tarnish-resistant hardenable fine silver alloys Oct. 31, 2000
5882441 Silver colored alloy with low percentage copper Mar. 16, 1999
5171643 Electric contact material and electric contact using said material Dec. 15, 1992
5102480 Ag-SnO-CdO electrical contact materials and manufacturing method thereof Apr. 7, 1992
5021214 Ag alloy of high discoloration resistance Jun. 4, 1991
4726858 Recording material Feb. 23, 1988
4647322 Internal oxidized Ag-SnO system alloy electrical contact materials Mar. 3, 1987
4636270 Internal oxidized Ag-Sn system alloy contact materials Jan. 13, 1987
4544611 Conductive element metallized with a thick film silver composition Oct. 1, 1985
4514238 Internally oxidized Ag-Sn-Bi alloy electrical contact materials Apr. 30, 1985
4494831 Spectacle frame Jan. 22, 1985
4385892 Setting compositions for dental purposes May. 31, 1983











 
 
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