US PATENT SUBCLASS 114 / 61.13
.~.~.~ Vertically spaced from another submerged or semisubmerged hull

Current as of: June, 1999
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114 /   HD   SHIPS

56.1  DF  DISPLACEMENT-TYPE HULL (e.g., specific aftbody) {9}
61.1  DF  .~ Multiple hulls {8}
61.12  DF  .~.~ Including a submerged hull (e.g., semisubmerged watercraft) {2}
61.13.~.~.~ Vertically spaced from another submerged or semisubmerged hull

DEFINITION

Classification: 114/61.13

Vertically spaced from another submerged or semisubmerged hull:

(under subclass 61.12) Subject matter wherein each immersed hull is separated from and positioned at a different water level above or below either (a) another immersed hull, or (b) another hull which has a portion below the surface of the water.

(1) Note. The submerged hull may be at the same water level as another submerged or semi-submerged hull, but must be at a different water level with respect to some other submerged or semi-submerged hull.