US PATENT SUBCLASS 278 / 65
.~.~ Special pin retainers

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

52  DF  THILL COUPLINGS {10}
60  DF  .~ Removable transverse pin or bolt {2}
65.~.~ Special pin retainers

DEFINITION

Classification: 278/65

Special pin retainers:

(under subclass 60) Subject matter including special means for holding the pin or bolt in place other than by conventional nuts, cotter pins, etc.