US PATENT SUBCLASS 114 / 54
.~.~.~ Inflatable bags

Current as of: June, 1999
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114 /   HD   SHIPS

44  DF  VESSEL RAISING AND DOCKING {3}
50  DF  .~ Submerged {3}
52  DF  .~.~ Air tanks {2}
54.~.~.~ Inflatable bags

DEFINITION

Classification: 114/54

Bags or receptacles for containing air adapted to be attached or secured to or in sunken vessels when empty and by inflation raise the same by buoyancy.