US PATENT SUBCLASS 454 / 350
.~.~.~ Wall mounted air pump
Current as of:
June, 1999
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VENTILATION
339
DF
HAVING OUTLET AIRWAY
{7}
341
DF
.~ With air pump {9}
347
DF
.~.~ Having readily movable air regulating louver,damper, or cover {5}
350
.~.~.~ Wall mounted air pump {1}
351
DF
.~.~.~.~
> Plural damper panel
DEFINITION
Classification: 454/350
Wall mounted air pump:
(under subclass 347) Subject matter wherein the air exhausting means is supported by and withdraws air through an interior, side structural barrier of the ventilated space.