US PATENT SUBCLASS 15 / 104.011-- .~ Cylinder, piston or plug cleaner

US PATENT SUBCLASS 15 / 104.011
.~ Cylinder, piston or plug cleaner

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

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

DEFINITION

Classification: 15/104.011

Cylinder, piston or plug cleaner:

(under subclass 104) Subject matter which includes a device for removing carbonized deposits from a spark plug, piston or cylinder of a gas engine.

(1) Note. An implement for cleaning a valve port, valve guide or a spark plug port is here.

(2) Note. The term "device" includes a brush, scraper, cutter or an impacting implement.

SEE OR SEARCH THIS CLASS, SUBCLASS:

104.02, for reamers applied to this purpose.

SEE OR SEARCH CLASS

82, Turning, 4, for portable lathes which may also scrape deposits from the work.

313, Electric Lamp and Discharge Devices,

125+, for spark plugs having means to move an electrode as, for example, for the purpose of rubbing one electrode against another to clean the rubbing parts, and subclass 127 for spark plugs provided with structure for cleaning a part of the spark plug.