US PATENT SUBCLASS 285 / 148.18
.~.~.~.~ Reducer

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

144.1  DF  SERIAL,RELATIVELY MOVABLE PORTIONS {4}
148.1  DF  .~ Serial diverse single flow path or line {10}
148.11  DF  .~.~ Diverse materials {2}
148.13  DF  .~.~.~ Nonmetal to metal {5}
148.18.~.~.~.~ Reducer

DEFINITION

Classification: 285/148.18

Reducer:

(under subclass 148.13) Subject matter wherein the coupling provides for a difference in cross-sectional areas of the lines which are joined.

SEE OR SEARCH THIS CLASS, SUBCLASS:

123.1+, for an inner to spaced outer tube coupling.

324, for a reducing bushing in a contractible socket type joint.

SEE OR SEARCH CLASS

138, Pipes and Tubular Conduits,

40+, for flow restrictors.