US PATENT SUBCLASS 182 / 105
.~ Central upright ladder section supported therebetween
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
104
DF
PIVOTALLY CONNECTED LADDERS, MUTUALLY SUSTAINING
{1}
105
.~ Central upright ladder section supported therebetween
DEFINITION
Classification: 182/105
(under subclass 104) Device wherein a central upright ladder section is supported between the pivotally connected sections.
SEE OR SEARCH THIS CLASS, SUBCLASS:
166+, for an extension ladder with pivoted props.