US PATENT SUBCLASS 213 / 101
.~.~.~ Arrowhead type

Current as of: June, 1999
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213 /   HD   RAILWAY DRAFT APPLIANCES

75 R  DF  COUPLINGS {9}
77  DF  .~ Counterpart {2}
100 R  DF  .~.~ Interengaging hooks and knuckles {6}
101.~.~.~ Arrowhead type {1}
102  DF  .~.~.~.~> Plural

DEFINITION

Classification: 213/101

Wherein a device of the class indicated the hook or knuckle is formed as an arrowhead.