US PATENT SUBCLASS 49 / 63
.~ Auxiliary mounted for movement

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.~ Auxiliary mounted for movement {3}
64  DF  .~.~> Of interconnected movable louvers
65  DF  .~.~> Connected for movement with primary {1}
67  DF  .~.~> Pivoted

DEFINITION

Classification: 49/63

(under subclass 61) Device provided with means mounting the auxiliary closure for movement along a predetermined path of travel.

SEE OR SEARCH THIS CLASS, SUBCLASS:

404+, for a closure mounted for reciprocating movement.