US PATENT SUBCLASS 248 / 57
.~.~ Interjoist

Current as of: June, 1999
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248 /   HD   SUPPORTS

49  DF  PIPE OR CABLE {7}
56  DF  .~ Extending through plate {1}
57.~.~ Interjoist

DEFINITION

Classification: 248/57

(under subclass 56) Supports in which the pipe or cable is positioned between two joists of a floor or wall.