US PATENT SUBCLASS 254 / 10 R
.~.~ Parallelogram bars

Current as of: June, 1999
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254 /   HD   IMPLEMENTS OR APPARATUS FOR APPLYING PUSHING OR PULLING FORCE

2 R  DF  HOISTING TRUCK {8}
8 R  DF  .~ Single throw lever {4}
10 R.~.~ Parallelogram bars {2}
10 B  DF  .~.~.~> Service station type
10 C  DF  .~.~.~> Platform type

Unofficial Alpha Subclasses: R B C

DEFINITION

Classification: 254/10

Parallelogram bars:

(under subclass 8) Hoisting truck in which the load support is raised by the movement of links or bars arranged in the form of a parallelogram.