US PATENT SUBCLASS 49 / 87.1
.~.~ Operating system includes a handle
Current as of:
June, 1999
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49 /
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MOVABLE OR REMOVABLE CLOSURES
73.1
DF
CLOSURES INTERCONNECTED FOR CONCURRENT MOVEMENT
{9}
74.1
DF
.~ Louver-type closures (e.g., slats or panels) {11}
87.1
.~.~ Operating system includes a handle
DEFINITION
Classification: 49/87.1
Operating system includes a handle:
(under subclass 74.1) Closures provided with an actuator which is grasped by the hand.
SEE OR SEARCH THIS CLASS, SUBCLASS:
51, for a louver-type closure handle actuator which extends through a grille.
359, for an operator for a movably mounted closure which
includes a lever actuator which is manually grasped.