US PATENT SUBCLASS 49 / 64
.~.~ Of interconnected movable louvers

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

61  DF  FACIALLY OPPOSED PRIMARY AND AUXILIARY CLOSURE FOR COMMON OPENING {2}
63  DF  .~ Auxiliary mounted for movement {3}
64.~.~ Of interconnected movable louvers

DEFINITION

Classification: 49/64

(under subclass 63) Device wherein the auxiliary closure is a louvered closure of the type defined in subclass 74.

SEE OR SEARCH THIS CLASS, SUBCLASS:

74.1+, for louver type closures, and see the search notes thereto for the loci of other louver type closures.

SEE OR SEARCH CLASS

160, Flexible or Portable Closure, Partition, or Panel,

104, for louvers facially opposing a flexible panel.