US PATENT SUBCLASS 137 / 275
.~.~ Rotating riser

Current as of: June, 1999
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137 /   HD   FLUID HANDLING

272  DF  HYDRANT TYPE {15}
273  DF  .~ Water crane type {4}
275.~.~ Rotating riser {2}
276  DF  .~.~.~> Spout articulated to riser
277  DF  .~.~.~> Vertically movable riser

DEFINITION

Classification: 137/275

(under subclass 273) Apparatus in which the riser is rotatable about its axis to position the spout for delivery of water.

SEE OR SEARCH THIS CLASS, SUBCLASS:

286+, for rotating risers in hydrants, i.e., those vertical discharge pipes which lack lateral extensions.