US PATENT SUBCLASS 285 / 298
VARIABLE LENGTH


Current as of: June, 1999
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285 /   HD   PIPE JOINTS OR COUPLINGS

298VARIABLE LENGTH {3}
299  DF  .~> With bellows seal {2}
302  DF  .~> Telescopic with relative motion
303  DF  .~> Step adjustment


DEFINITION

Classification: 285/298

(under the class definition) Subject matter wherein one member is connected to the other by an intermediate element capable of significant contraction and expansion or wherein one member projects into or telescopes with the other member and provides relative movement therebetween.

SEE OR SEARCH THIS CLASS, SUBCLASS:

32, for a threaded telescopic insertable section.

145.1+, for a joint system comprising serial relative movable diverse joints, one of which is telescopic.

SEE OR SEARCH CLASS

220, Receptacles, 8, for receptacles having telescopic sections. See the Search Notes thereunder.

248, Supports,

333+, for adjustable length suspension supports, and subclass 161 for adjustable length standards for stands.

403, Joints and Connections,

52+, for articulated members in general.