US PATENT SUBCLASS 182 / 55
.~ Platform below window

Current as of: June, 1999
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182 /   HD   FIRE ESCAPE, LADDER, OR SCAFFOLD

53  DF  DETACHABLE WINDOW SEAT TYPE {4}
55.~ Platform below window

DEFINITION

Classification: 182/55

(under subclass 53) Device wherein the platform is disposed below the window.