US PATENT SUBCLASS 49 / 79.1
.~.~ Manipulation of control louver panel connects or disconnects remaining louver panels

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}
79.1.~.~ Manipulation of control louver panel connects or disconnects remaining louver panels

DEFINITION

Classification: 49/79.1

Manipulation of control louver panel connects or disconnects remaining louver panels:

(under subclass 74.1) Closures wherein the means uniting the panels include a mechanism for securing one of the panels to the remaining panels, whereupon movement of said one panel within a predetermined limit will operate the remaining panels concurrently, and further movement of said one panel will alternately disengage said mechanism to permit independent movement of said one panel and re-engage said mechanism for concurrent movement of all the panels.