US PATENT SUBCLASS 244 / 129.6
.~.~ Steps


Current as of: June, 1999
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244 /   HD   AERONAUTICS

117 R  DF  AIRCRAFT STRUCTURE {14}
129.1  DF  .~ Details {8}
129.6.~.~ Steps


DEFINITION

Classification: 244/129.6

Steps:

(under subclass 129.1) Apparatus wherein the aircraft part comprises stair or other foothold means for ascent or descent from one level to another.

SEE OR SEARCH THIS CLASS, SUBCLASS:

129.5, for stair means combined with door structure.