(under subclass 665) Subject matter where the force exists in tension.
SEE OR SEARCH CLASS
43, Fishing, Trapping, and Vermin Destroying,
17, for indicating tension as the result of a fish being hooked on a fishing line.
73, Measuring and Testing,
761, for fastener stress.
242, Winding, Tensioning, or Guiding,
357, 472.0+, 479.9+, 484.8, 484.9+, 534+, 563+, and 912 for a detector, signal, or indicator associated with winding or unwinding an elongated material, which material is frequently under a tension control, and subclasses 410+ for regulating tension in a running length of elongated material.
