US PATENT SUBCLASS 182 / 123
.~.~ Plural platforms
Current as of:
June, 1999
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182 /
HD
FIRE ESCAPE, LADDER, OR SCAFFOLD
115
DF
LADDER AND PLATFORM
{1}
116
DF
.~ Platform with ladder as support {6}
123
.~.~ Plural platforms
DEFINITION
Classification: 182/123
(under subclass 116) Device in which there are a plurality of platforms.