US PATENT SUBCLASS 238 / 161.5
.~ Lubricant- or liquid-containing


Current as of: June, 1999
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238 /   HD   RAILWAYS: SURFACE TRACK

151  DF  RAIL JOINTS {28}
161.5.~ Lubricant- or liquid-containing


DEFINITION

Classification: 238/161.5

(under subclass 151) Rail joints which include means associated therewith for confining or receiving a liquid, a liquid bearing substance, or any film forming material which serves as a lubricant.

SEE OR SEARCH THIS CLASS, SUBCLASS:

163, for rail joints that contain solid material which was positioned within the joint while in a molten or plastic state.

SEE OR SEARCH CLASS

184, Lubrication,

3.1+, for apparatus for applying lubricant to a rail, subclass 5, for slide bearings having lubricating means incorporated therein, and subclass 100 for slide bearing lubricators.

384, Bearings, 13, for a linear bearing having lubricating means incorporated therein.

439, Electrical Connectors,

41+, for an electrical connector with vacuum applying means; subclasses 190+ for an electrical connector having a retainer or passageway for fluent material; and subclasses 519+ for an electrical connector with provision to restrict environmental effects thereon.