73062770
Sep 11, 1975
Nov 1, 1977
WELDING MATERIALS-NAMELY, MILD STEEL, STAINLESS STEEL, BRONZE, ALUMINUM, CORED WIRE AND BRAZING RODS
Metal GoodsWELDING EQUIPMENT-NAMELY, WELDING POWER SOURCES, ELECTRODES, WIRE DRIVES AND SYSTEMS COMPRISING ESSENTIALLY A WELDING WIRE CONTAINING SPOOL, AN ORBIT ARM FOR UNREELING WIRE FROM SUCH SPOOL, A TRANSPARENT SHROUD ENCLOSING THE ORBIT ARM AND THE SPOOL, A POWER SOURCE TO PROVIDE ELECTRICAL CURRENT TO THE WELDING GUN, A WELDING WIRE DRIVE MECHANISM, AND A WELDING GUN
Electrical and Scientific Apparatus