US PATENT SUBCLASS 49 / 103
.~ Sequential movement

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

73.1  DF  CLOSURES INTERCONNECTED FOR CONCURRENT MOVEMENT {9}
103.~ Sequential movement

DEFINITION

Classification: 49/103

(under subclass 73) Device wherein one of the closures begins its movement in advance of another.

SEE OR SEARCH THIS CLASS, SUBCLASS:

80.1, for interconnected louvers with sequential movement.