US PATENT SUBCLASS 405 / 86
.~.~.~.~ Movable lifting member

Current as of: June, 1999
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405 /   HD   HYDRAULIC AND EARTH ENGINEERING

52  DF  FLUID CONTROL, TREATMENT, OR CONTAINMENT {7}
80  DF  .~ Flow control {7}
84  DF  .~.~ Navigable canal {1}
85  DF  .~.~.~ Having lock {1}
86.~.~.~.~ Movable lifting member

DEFINITION

Classification: 405/86

Movable lifting member:

(under subclass 85) Method or apparatus relating to a device for shifting a vessel from one level to another in a canal wherein some portion of the device moves with and lifts the vessel.

SEE OR SEARCH THIS CLASS, SUBCLASS:

3, for subject matter relating to the lifting of a vessel for the purpose of dewatering the same.