US PATENT SUBCLASS 256 / 12
.~ Unstable

Current as of: June, 1999
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256 /   HD   FENCES

11  DF  TOP GUARDED {1}
12.~ Unstable

DEFINITION

Classification: 256/12

(under subclass 11) Fences wherein the top guard has an unstable or movable portion.

SEE OR SEARCH THIS CLASS, SUBCLASS:

1, for steeplechase fences provided with yielding means upon the top rail.

16, for track guards having movable means.