US PATENT SUBCLASS 278 / 37
.~.~ Agricultural-implement type

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

33  DF  POLES AND THILLS {5}
36  DF  .~ Poles {6}
37.~.~ Agricultural-implement type

DEFINITION

Classification: 278/37

Agricultural implement type:

(under subclass 36) Subject matter including the type used with agricultural implements.

(1) Note. Where the function of the devices is to equalize draft, they will be found in appropriate subclasses under "Draft Equalizers" in this class.