US PATENT SUBCLASS 267 / 4
.~.~ Coil

Current as of: June, 1999
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267 /   HD   SPRING DEVICES

2  DF  VEHICLE {14}
3  DF  .~ Railway {1}
4.~.~ Coil

DEFINITION

Classification: 267/4

(under subclass 3) Device wherein the spring element is a coil-spring.