US PATENT SUBCLASS 49 / 170
.~.~.~ With common edge

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

149  DF  MOUNTED FOR OPTIONAL MOVEMENTS {12}
163  DF  .~ One closure movable separately from or with other closure {4}
169  DF  .~.~ Within encompassing closure {2}
170.~.~.~ With common edge

DEFINITION

Classification: 49/170

(under subclass 169) Device wherein the auxiliary closure is mounted to close and opening extending inwardly from the periphery of the main closure so that in closed position of the auxiliary closure its outer edge and that of the main closure coincide.