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Class Information
Number: 420/582
Name: Alloys or metallic compositions > Containing over 50 per cent metal but no base metal > Iron containing > Copper containing
Description: Alloy, or metallic composition which additionally contains copper.

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
4201575 Austenitic stainless corrosion-resistant alloy May. 6, 1980
4172716 Stainless steel having excellent pitting corrosion resistance and hot workabilities Oct. 30, 1979
4172717 Permanent magnet alloy Oct. 30, 1979
4144057 Shape memory alloys Mar. 13, 1979
4141762 Two-phase stainless steel Feb. 27, 1979
4137074 Nickel-chromium alloys Jan. 30, 1979
4135919 Alloy resistant to sulfuric acid corrosion Jan. 23, 1979
4131494 Corrosion resistant magnetic alloy Dec. 26, 1978
4108641 Oxidation-resisting austenitic stainless steel Aug. 22, 1978
4088478 Corrosion-resistant alloys May. 9, 1978
4086085 Austenitic iron alloys Apr. 25, 1978
4078920 Austenitic stainless steel with high molybdenum content Mar. 14, 1978
T967001 Austenitic Ni--Fe base weld material Feb. 7, 1978
4063934 Heat resisting nickel-chromium alloy having high resistance to oxidation, carburization and creep at high temperatures Dec. 20, 1977
4050928 Corrosion-resistant matrix-strengthened alloy Sep. 27, 1977
4043806 Alloys from manganese nodules Aug. 23, 1977
4035182 Ni-Cr-Fe alloy having an improved resistance to stress corrosion cracking Jul. 12, 1977
4032367 Corrosion resistant steels Jun. 28, 1977
4029476 Brazing alloy compositions Jun. 14, 1977
4028144 Semi-hard magnetic alloy with composite magnetic property and method of making the same Jun. 7, 1977
3957485 Reduction smelting of manganese nodules with a liquid reductant May. 18, 1976
3948432 Brazing preforms and method of brazing Apr. 6, 1976
3938990 Method of making corrosion resistant austenitic steel Feb. 17, 1976

1 2 3

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