US PATENT SUBCLASS 49 / 52
.~ Closure operator extends through grille


Current as of: June, 1999
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49 /   HD   MOVABLE OR REMOVABLE CLOSURES

50  DF  WITH PROTECTIVE GRILLE OR SAFETY GUARD {6}
52.~ Closure operator extends through grille {1}
53  DF  .~.~> Swinging handle actuator


DEFINITION

Classification: 49/52

(under subclass 50) Device provided with a mechanical means movable relative to the closure for imparting movement to the closure which means extends through the openwork panel.

SEE OR SEARCH THIS CLASS, SUBCLASS:

51, for an operator for louver type closures extending through a grille.

356, for a single lever push rod operator for a movable closure.

SEE OR SEARCH CLASS

454, Ventilation,

290, and 322+ for an operator extending through a register grille to impart movement to a pivoted valve combined with ventilating structure, e.g., air duct, air directing structure.