US PATENT SUBCLASS 49 / 77.1
.~.~ Distinct groups of louver-type closures

Current as of: June, 1999
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49 /   HD   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}
77.1.~.~ Distinct groups of louver-type closures

DEFINITION

Classification: 49/77.1

Distinct groups of louver-type closures:

(under subclass 74.1) Closures which are divided into sets with each set concurrently movable panels.