US PATENT SUBCLASS 49 / 39
.~ Radially positioned

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

38  DF  REGISTERABLE OPENING IN FACIALLY OPPOSED CLOSURE AND BARRIER {1}
39.~ Radially positioned

DEFINITION

Classification: 49/39

(under subclass 38) Device wherein the openings in the closure are spaced circumferentially about a common point and wherein the closure moves about the common point.

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41, for arcuate closure which moves in a circular opening.