US PATENT SUBCLASS 278 / 55
.~ Plural

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

52  DF  THILL COUPLINGS {10}
55.~ Plural

DEFINITION

Classification: 278/55

Plural:

(under subclass 52) Subject matter wherein the thills as a whole can be disconnected from the vehicle by any one of two or more couplings.