US PATENT SUBCLASS 451 / 49
.~ Roll, roller, shaft, ball, or piston abrading

Current as of: June, 1999
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451 /   HD   ABRADING

28  DF  ABRADING PROCESS {19}
49.~ Roll, roller, shaft, ball, or piston abrading {1}
50  DF  .~.~> Ball abrading

DEFINITION

Classification: 451/49

Roll, roller, shaft, ball, or piston abrading:

(under subclass 28) Method for grinding a roll, roller, shaft including a spliced shaft, ball, sphere, or piston.

SEE OR SEARCH CLASS

29, Metal Working,

888.04+, 895.3+, 898.068, 898.069, and 899+ for a metal working process involving more than mere grinding for making a roll or a piston.