Making or forming wire rings, hoops, or closed loops of wire.
SEE OR SEARCH THIS CLASS, SUBCLASS:
81, 104 and 115, for machines for splicing the ends of a wire hoop together.
SEE OR SEARCH CLASS
29, Metal Working,
7, for making eyebolts and hooks, subclass 8 for making finger rings, and subclasses 592+ for methods of making rings, loops, etc.
57, Textiles: Spinning, Twisting, and Twining,
21, 201, and 362 for endless bands made by twisting or twining operations and machines and processes for making them. 59, Chain, Staple, and Horseshoe Making,
16+, for combined machines for making chain devices.
72, Metal Deforming, appropriate subclasses for plastically working an annular metal workpiece.
144, Woodworking,
268, for coiling wooden hoops.
219, Electric Heating,
51+, for ring or loop making, involving electric welding.
223, Apparel Apparatus,
6, and 27 for hoop-skirt making machines.
227, Elongated-Member-Driving Apparatus,
77, for apparatus for deforming a member, e.g, ring, remote from the work-surface.
470, Threaded, Headed Fastener, or Washer Making: Process and Apparatus, 87+,.