US PATENT SUBCLASS 137 / 293
.~.~ With casing, flush with ground or pavement surface


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

272  DF  HYDRANT TYPE {15}
291  DF  .~ Valve actuator outside riser {2}
293.~.~ With casing, flush with ground or pavement surface


DEFINITION

Classification: 137/293

(under subclass 291) Apparatus with a ground supporting casing for at least the upper end of the riser whereby the discharge end of the riser can be at or below the surface of the ground or pavement where it is installed.

SEE OR SEARCH THIS CLASS, SUBCLASS:

295, for other types of hydrants with a casing flush with ground or pavement.

363+, for apparatus of this class in general combined with a

ground supporting casing, especially subclasses 363+ for valve and meter wells which house a valve for underground flow lines and a vertically extending, usually removable, actuator.