US PATENT SUBCLASS 135 / 26
.~.~ Sliding rib

Current as of: June, 1999
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135 /   HD   TENT, CANOPY, UMBRELLA, OR CANE

15.1  DF  UMBRELLA {17}
25.1  DF  .~ Collapsible in length {5}
26.~.~ Sliding rib

DEFINITION

Classification: 135/26

(under subclass 25.1) Folding umbrellas in which the shortening of the rib is accomplished by forming it in sections which slide one upon or within the other. Locking mechanisms for the rib-sections are also included.

SEE OR SEARCH THIS CLASS, SUBCLASS:

75, for stick-shortening mechanisms.