US PATENT SUBCLASS 92 / 170.1
.~ Nonmetallic piston contacting portion

Current as of: June, 1999
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92 /   HD   EXPANSIBLE CHAMBER DEVICES

169.1  DF  CYLINDER DETAIL {3}
170.1.~ Nonmetallic piston contacting portion

DEFINITION

Classification: 92/170.1

Nonmetallic piston contacting portion:

(under subclass 169) Apparatus, including a nonmetallic portion of the cylinder adapted to slidably contact a piston.

SEE OR SEARCH THIS CLASS, SUBCLASS:

168, for a cylinder provided with a guide or seal on an end portion thereof including a nonmetallic portion.