US PATENT SUBCLASS 213 / 40 D
.~.~ Interlocking parts

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

7  DF  CUSHIONED {9}
40 R  DF  .~ Springs {6}
40 D.~.~ Interlocking parts

Unofficial Alpha Subclasses: R D S

DEFINITION

Classification: 213/40

(under subclass 7) The cushioning device for the draft is in the form of a spring.

SEE OR SEARCH CLASS

267, Spring Devices, for spring devices specifically disclosed as having utility other than as a railway draft appliance and in which no claim sets forth a spring device limited to use as a railway draft appliance.