US PATENT SUBCLASS 403 / 205
RIGID ANGLE COUPLING, E.G., ELBOW OR U, ETC.

Current as of: June, 1999
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403 /   HD   JOINTS AND CONNECTIONS

205RIGID ANGLE COUPLING, E.G., ELBOW OR U, ETC.

DEFINITION

Classification: 403/205

(under the class definition) Structure comprising a coupling member having means at the ends to join the ends of two members independently and distinctly and adapted to hold the ends in angular relation.

SEE OR SEARCH CLASS

122, Liquid Heaters and Vaporizers,

87, for a U-coupling between two fire tubes in a boiler.