US PATENT SUBCLASS 439 / 33
.~.~ Expansion joint


Current as of: June, 1999
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439 /   HD   ELECTRICAL CONNECTORS

1  DF  INTERRELATED CONNECTORS RELATIVELY MOVABLE DURING USE {8}
32  DF  .~ Linear movement {1}
33.~.~ Expansion joint


DEFINITION

Classification: 439/33

Expansion joint:

(under subclass 32) Device wherein the purpose of relative movement between the two conductors is to accommodate relatively small movement of supporting structure brought about by ambient (e.g.., temperature) changes.

SEE OR SEARCH CLASS

238, Railways: Surface Track,

14.2, for a detailed rail combined with an electrical connector, and for a pair of aligned rails combined with an electrical connector (e.g.., a rail bond).

403, Joints and Connections, for a structural member which may be a railway rail having no claimed limitation to the railway aspect, combined with an electrical connector (e.g.., a rail bond).