US PATENT SUBCLASS 278 / 122
.~.~ Modified pole and yoke (center)

Current as of: June, 1999
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278 /   HD   LAND VEHICLES: ANIMAL DRAFT APPLIANCES

119  DF  NECK YOKES {2}
121  DF  .~ Pole couplings {3}
122.~.~ Modified pole and yoke (center) {1}
123  DF  .~.~.~> Permanently attached

DEFINITION

Classification: 278/122

Modified pole and yoke (center):

(under subclass 121) Subject matter including patents showing cooperative modification of both the pole and neck yoke.