US PATENT SUBCLASS 451 / 552
.~ Stationary

Current as of: June, 1999
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451 /   HD   ABRADING

540  DF  RIGID TOOL {4}
552.~ Stationary {4}
553  DF  .~.~> Metal
554  DF  .~.~> Having oiler or moistener
555  DF  .~.~> Work guide
556  DF  .~.~> Razor hone

DEFINITION

Classification: 451/552

Stationary:

(under subclass 540) Rigid abrading tool that is nonmoving and to which the work is to be applied to accomplish the abrading.

(1) Note. A hone or a whetstone is included herein.

SEE OR SEARCH THIS CLASS, SUBCLASS:

312+, for a stationary tool machine.

SEE OR SEARCH CLASS

428, Stock Material or Miscellaneous Articles,

544+, for stock materials (e.g., of indefinite length) which are all metal or have adjacent metal components.