US PATENT SUBCLASS 182 / 94
.~.~ Wall penetrating operating means


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



182 /   HD   FIRE ESCAPE, LADDER, OR SCAFFOLD

82  DF  WALL- OR FLOOR-ATTACHED {7}
93  DF  .~ Ladder {4}
94.~.~ Wall penetrating operating means


DEFINITION

Classification: 182/94

(under subclass 93) Device with which there is associated a wall penetrating actuating or operating means to effect the collapsing the ladder structure.