US PATENT SUBCLASS 15 / 104.012
.~.~ Piston groove

Current as of: June, 1999
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15 /   HD   BRUSHING, SCRUBBING, AND GENERAL CLEANING

104.001  DF  IMPLEMENTS {28}
104.011  DF  .~ Cylinder, piston or plug cleaner {1}
104.012.~.~ Piston groove

DEFINITION

Classification: 15/104.012

Piston groove:

(under subclass 104.011) Subject matter which includes a piston ring slot cleaning device.

(1) Note. A piston may be manipulated with respect to the slot cleaning device or the slot cleaning device may be moved with respect to the piston.

SEE OR SEARCH CLASS

82, Turning,

4, for a portable piston grooving lathe.