US PATENT SUBCLASS 285 / 179
ELBOW

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

179ELBOW {5}
179.1  DF  .~> With access opening {1}
180  DF  .~> Cooperating saddle clamp
181  DF  .~> Serially connected, adjustable
182  DF  .~> Nesting parts
183  DF  .~> Sheet metal

DEFINITION

Classification: 285/179

(under the class definition) Subject matter comprising a fitting having only two openings with the axis of the openings intersecting at an angle.

SEE OR SEARCH THIS CLASS, SUBCLASS:

131.1+, for Y-type fittings.

133.1+, for T-type fittings.

134.1+, for U-type fittings.

184+, for a coupling including means to vary the angle between the connected members about an axis transverse to the members.

189+, for a joint between the end of one pipe and the side of another.