US PATENT SUBCLASS 166 / 367
.~ Riser

Current as of: June, 1999
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166 /   HD   WELLS

335  DF  SUBMERGED WELL {10}
367.~ Riser

DEFINITION

Classification: 166/367

Riser:

(under subclass 335) Device comprising means extending from the plane where the well meets the surface of the earth upwardly toward the surface of the water for fluid communication with the surface of the water.

SEE OR SEARCH THIS CLASS, SUBCLASS:

350, for a riser for use beneath the surface of a body of water, which riser is buoyantly supported above the surface of the earth.