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Class Information
Number: 420/474
Name: Alloys or metallic compositions > Copper base > Tin containing > Lead containing
Description: Alloy, or metallic composition which additionally contains lead.










Sub-classes under this class:

Class Number Class Name Patents
420/475 Zinc containing 23


Patents under this class:

Patent Number Title Of Patent Date Issued
7736448 Nano icrystals copper material with super high strength and conductivity and method of preparing thereof Jun. 15, 2010
6303235 Copper-based sliding alloy Oct. 16, 2001
6197433 Rolled copper foil for flexible printed circuit and method of manufacturing the same Mar. 6, 2001
6197432 Sliding material having excellent abrasion resistance Mar. 6, 2001
6103188 High-conductivity copper microalloys obtained by conventional continuous or semi-continuous casting Aug. 15, 2000
6025081 Copper-based bearing material and sliding bearing for internal combustion engines Feb. 15, 2000
5665480 Copper-lead alloy bearing Sep. 9, 1997
5653827 Brass alloys Aug. 5, 1997
5346668 Copper based alloy for wear resistant sliding layer and sliding member Sep. 13, 1994
5286444 Copper bearing alloy Feb. 15, 1994
5077005 High-conductivity copper alloys with excellent workability and heat resistance Dec. 31, 1991
4818628 Process for making composite bearing material produced thereby Apr. 4, 1989
4551395 Bearing materials Nov. 5, 1985
4537743 Electrode composition for vacuum switch Aug. 27, 1985
4519980 Fin materials for automobile radiators May. 28, 1985
4471026 Ternary alloys in brazing ceramics Sep. 11, 1984
4406857 Alloy for antifriction bearing layer and process of forming an antifriction layer on steel supporting strip Sep. 27, 1983
RE30854 Free machining Cu--Ni--Sn alloys Jan. 26, 1982
4307998 Swash-plate-type compressor for air-conditioning vehicles Dec. 29, 1981
4206268 Plain bearing laminate having slide-layer alloy based on copper-lead-tin Jun. 3, 1980
4072513 Copper base alloys with high strength and high electrical conductivity Feb. 7, 1978
4037522 Vehicle air conditioning compressor Jul. 26, 1977
4009027 Alloy for metallization and brazing of abrasive materials Feb. 22, 1977











 
 
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