US PATENT SUBCLASS 135 / 33.7
.~.~ With ventilator or viewing window

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

15.1  DF  UMBRELLA {17}
33.2  DF  .~ Cover or lining feature {4}
33.7.~.~ With ventilator or viewing window {1}
33.71  DF  .~.~.~> Transparent

DEFINITION

Classification: 135/33.7

With ventilator or viewing window:

(under subclass 33.2) Cover including: (1) a means in the cover for venting or releasing the air pressure beneath the umbrella's cover or (2) a means in the cover to enable the user to have vision through the covering.

SEE OR SEARCH THIS CLASS, SUBCLASS:

93, for closures with ventilating function.

117, for door, flap, viewing window.