US PATENT SUBCLASS 238 / 14.3
.~ Special rail
Current as of:
June, 1999
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238 /
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RAILWAYS: SURFACE TRACK
14.05
DF
ELECTRICAL CONNECTIONS
{9}
14.3
.~ Special rail
DEFINITION
Classification: 238/14.3
(under subclass 14.05) Electrical connections involving some special rail structure, i.e., a rail having a claimed form or structure distinguishing the same from the strandard T-head rail.