US PATENT SUBCLASS 135 / 94
.~.~.~ Of shelter roof

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

87  DF  PORTABLE SHELTER (I.E., TENT OR CANOPY) {18}
91  DF  .~ With heating, lighting, or ventilating {2}
93  DF  .~.~ Ventilating {1}
94.~.~.~ Of shelter roof

DEFINITION

Classification: 135/94

Of shelter-roof:

(under subclass 93) Apparatus in which the ventilating means is located in or is part of the shelter roof.

SEE OR SEARCH THIS CLASS, SUBCLASS:

33.7, for umbrella covers with ventilating means.