US PATENT SUBCLASS 135 / 25.1
.~ Collapsible in length

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

15.1  DF  UMBRELLA {17}
25.1.~ Collapsible in length {5}
25.2  DF  .~.~> Lazy tong
25.3  DF  .~.~> Including three segment rib
25.31  DF  .~.~> Including pivoted rib having two segments {3}
25.4  DF  .~.~> Handle or stick {1}
26  DF  .~.~> Sliding rib

DEFINITION

Classification: 135/25.1

Collapsible in length:

(under subclass 15.1) Umbrella in which the ribs, stretchers, or stick includes structure by which it is specifically designed to be reduced in length.

SEE OR SEARCH THIS CLASS, SUBCLASS:

143+, for frameworks capable of being folded or collapsed into a more compact arrangement.