US PATENT SUBCLASS 213 / 151
.~.~.~.~.~ Contour
Current as of:
June, 1999
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213 /
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RAILWAY DRAFT APPLIANCES
75 R
DF
COUPLINGS
{9}
77
DF
.~ Counterpart {2}
100 R
DF
.~.~ Interengaging hooks and knuckles {6}
104
DF
.~.~.~ Horizontally swinging {4}
109
DF
.~.~.~.~ Janney type {17}
151
.~.~.~.~.~ Contour
DEFINITION
Classification: 213/151
Patents relating to the contour of the coupler.