US PATENT SUBCLASS 83 / 783
.~ With means to support tool at opposite ends

Current as of: June, 1999
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83 /   HD   CUTTING

746  DF  BY TOOL RECIPROCABLE ALONG ELONGATED EDGE {11}
783.~ With means to support tool at opposite ends {1}
784  DF  .~.~> And apply drive force to both ends of tool {2}

DEFINITION

Classification: 83/783

(under subclass 746) Device provided with means engaging the tool at each of its longitudinal extremities which means serve to sustain the tool against gravity.