US PATENT SUBCLASS 267 / 49
.~.~.~ Antifriction

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

2  DF  VEHICLE {14}
36.1  DF  .~ Leaf {14}
47  DF  .~.~ Structure {3}
49.~.~.~ Antifriction

DEFINITION

Classification: 267/49

(under subclass 47) Device wherein the spring element comprises means for reducing friction between the leaves.