Method of electroplating copper clad stainless steel cooking vessels

Claim 1

IN A METHOD OF COATING THE SUBSTANTIALLY FLAT BOTTOM AND ADJACENT SIDE WALL SURFACES OF REVOLUTION OF A STAINLESS STEEL COOKING VESSEL WITH A STRONGLY ADHERING LAYER OF ELECTRODEPOSITED COPPER, THE STEPS OF IMMERSING SAID SURFACES IN A DILUTE SULPHURIC ACID BATH WITH SAID BOTTOM SURFACE IN OPPOSED SPACED SUBSTANTIALLY COAXIAL RELATION TO THE CONVEX SURFACE OF REVOLATION OF AN INSOLUBLE ELECTRODE OF GREATER DIAMETER THAN THE DIAMETER OF THE VESSEL AND OF MATERIAL ALTITUDE, MAKING SAID VESSEL A CATHODE AND SAID ELECTRODE AN ANODE WHILE IMMERSED IN SAID BATH FOR TREATING SAID SURFACES OF THE VESSEL WITH ELECTROLYTICALLY RELEASED HYDROGEN, AND UPON CESSATION OF SUCH TREATMENT REMOVING SAID VESSEL FROM SAID BATH AND SUBSTANTIALLY IMMEDIATELY IMMERSING SAID SURFACES THEREOF IN A COPPER PLATING BATH IN OPPOSED SPACED RELATTION TO A SOLUBLE COPPER ELECTRODE AND MAKING THE LATTER AN ANODE AND THE VESSEL A CATHODE.