US PATENT SUBCLASS 414 / 140.6
.~.~ By lifting marine vessel or by changing water level


Current as of: June, 1999
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414 /   HD   MATERIAL OR ARTICLE HANDLING

137.1  DF  MARINE LOADING OR UNLOADING SYSTEM {14}
139.4  DF  .~ Marine vessel to/from shore {11}
140.6.~.~ By lifting marine vessel or by changing water level


DEFINITION

Classification: 414/140.6

By lifting marine vessel or by changing water level:

(under subclass 139.4) Apparatus wherein loading or unloading is effected or influenced (a) by raising or lowering the buoyant vehicle with respect to the surface of the water on which it floats; (b) by changing the vertical height of the water on which the buoyant vehicle floats.

(1) Note. Under clause (b), the height of the water may be changed naturally, as by tide, or may be changed artificially, as by a "lock".

SEE OR SEARCH THIS CLASS, SUBCLASS:

138.1, for means to raise or lower one marine vessel with respect to another to effect or influence the transfer of cargo therebetween.

SEE OR SEARCH CLASS

114, Ships,

258+, for a "mother" buoyant vehicle combined with specific means to lift a "daughter" craft to or from the water. Search subclasses 365+ for means to lift a life boat to or from the water.