US PATENT SUBCLASS 114 / 327
.~.~ And snorkel

Current as of: June, 1999
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114 /   HD   SHIPS

312  DF  SUBMERSIBLE DEVICE {15}
326  DF  .~ Having buoy {3}
327.~.~ And snorkel

DEFINITION

Classification: 114/327

And snorkel:

(under subclass 326) Device wherein the floatable member is provided with a means to supply air from above the surface of the water to a submergible vessel located below the water.