US PATENT SUBCLASS 114 / 52
.~.~ Air tanks

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


114 /   HD   SHIPS

44  DF  VESSEL RAISING AND DOCKING {3}
50  DF  .~ Submerged {3}
52.~.~ Air tanks {2}
53  DF  .~.~.~> Camels, caissons, and pontoons
54  DF  .~.~.~> Inflatable bags

DEFINITION

Classification: 114/52

Vessels, tanks, or receptacles for containing air adapted when filled to raise a sunken vessel by their combined buoyant force.