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Class Information
Number: 182/109
Name: Fire escape, ladder, or scaffold > Safety device for ground-supported ladder > Terminal foot or shoe > Diverse ground-engaging means
Description: Device comprising different kinds of antislip means, e.g., a pad and a spike.


Patents under this class:

Patent Number Title Of Patent Date Issued
7246682 Ladder elevator device Jul. 24, 2007
7140808 Catwalk device and method Nov. 28, 2006
6782972 Ladder elevator device Aug. 31, 2004
6145618 Ladder system and method of climbing having a rail with a non-linear slot Nov. 14, 2000
6012546 Safety ladder Jan. 11, 2000
5865268 Ladder anchoring system Feb. 2, 1999
5845744 Ladder levelling device Dec. 8, 1998
5651417 Base for a fire-fighting tool Jul. 29, 1997
5609222 Ladder leveler Mar. 11, 1997
5370203 Ladder shoe spur plate Dec. 6, 1994
5180031 Gardener's aid for sloped ground Jan. 19, 1993
5107958 Ladder leveler Apr. 28, 1992
4940203 Leg pad and spike for tripod Jul. 10, 1990
4846305 Apparatus for rotatably positioning a ladder within a stairway Jul. 11, 1989
4694932 Structural support shoe and method of manufacturing the same Sep. 22, 1987
4546996 Multi-surface stabilizer pad assembly Oct. 15, 1985
4415062 Ladder foot Nov. 15, 1983
4007807 Ladder stabilizer Feb. 15, 1977



 
 
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