US PATENT SUBCLASS 408 / 27
.~.~ Crystalline cutter


Current as of: June, 1999
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408 /   HD   CUTTING BY USE OF ROTATING AXIALLY MOVING TOOL

22  DF  COMBINED CUTTING MEANS {4}
26  DF  .~ Including rotating cutter other than rotating, axially moving tool {2}
27.~.~ Crystalline cutter


DEFINITION

Classification: 408/27

(under subclass 26) Device wherein the work-engaging surface(s) of the additional cutting tool is at least in part of material that is either a natural crystal or is of the character of a natural crystal.

(1) Note. The "natural crystal" of this subclass definition is not intended to include a stone shaped as a cutting tooth.

SEE OR SEARCH THIS CLASS, SUBCLASS:

145, for a crystalline cutting (or abrading) tool adapted to operate in the manner of this class (408).

SEE OR SEARCH CLASS

451, Abrading, for a machine including a crystalline cutting instrumentality combined with additional work cutting or abrading structure, provided no tool operates in the manner of this class, or for a single abrading instrumentality that moves in a manner than about an axis and along that axis relative to a workpiece. (Note that Class 451 has not been screened for art proper for Class 408.)