US PATENT SUBCLASS 72 / 68
.~ With metal deformation of different type


Current as of: June, 1999
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72 /   HD   METAL DEFORMING

67  DF  BY USE OF TOOL ACTING DURING RELATIVE ROTATION BETWEEN TOOL AND WORK ABOUT INTERNAL CENTER (E.G., GYRATING OR ROTATING TOOL) {10}
68.~ With metal deformation of different type


DEFINITION

Classification: 72/68

With metal deformation of different type:

(under subclass 67) Subject matter including use of at least two separate instrumentalities to deform work, and wherein one such instrumentality deforms the work in a manner other than that peculiar to subclasses 67+.