(under subclass 501) Subject matter wherein the contact member is (a) a pattern to lay out the shape of sheet metal to form a pipe, (b) a fitting gauge to determine the length, size or angle of a pipe section to be formed or (c) a gauge to determine how to cut an existing pipe.
SEE OR SEARCH THIS CLASS, SUBCLASS:
1, for a layout instrument and an angular measurement.
18+, for a scriber.
534+, for an angle gauge.
562+, for a template.
700+, for a distance instrument.
SEE OR SEARCH CLASS 72, Metal Deforming,
199+, for metal deforming by use of a roller or roller-like tool element, subclass 253.1 for metal deforming by extruding through an orifice and subclasses 362+ or a process of metal deforming.
138, Pipes and Tubular Conduits,
155, for joined sections and subclass 156 for a longitudinally seamed pipe.
