US PATENT SUBCLASS 185 / 21
.~.~ Sweeps

Current as of: June, 1999
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185 /   HD   MOTORS: SPRING, WEIGHT, OR ANIMAL POWERED

15  DF  ANIMAL POWERED {7}
19  DF  .~ Sweep type {3}
21.~.~ Sweeps {1}
22  DF  .~.~.~> Draft equalizers

DEFINITION

Classification: 185/21

(under subclass 19) Devices comprising sweeps for use in sweep motors, including structure unitary therewith or mounted thereon.