US PATENT SUBCLASS 454 / 282
.~.~.~.~.~ In between vane ends

Current as of: June, 1999
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454 /   HD   VENTILATION

254  DF  HAVING INLET AIRWAY {11}
275  DF  .~ Including specific cover or shield for exterior vent opening {1}
276  DF  .~.~ Wall type {1}
277  DF  .~.~.~ Louver {5}
281  DF  .~.~.~.~ Having specific vane supporting means {1}
282.~.~.~.~.~ In between vane ends

DEFINITION

Classification: 454/282

In between vane ends:

(under subclass 281) Subject matter comprising means located intermediate the lengthwise extremities of one of the vane-like strips or strip portions which holds the strip or strip portion in position.

(1) Note. The supporting means may connect a strip or strip portion with a louver framing member or with an adjoining strip or strip portion.