The evenly spaced dash-dot broken lines on the side rails and steps shown in
The broken lines shown in the figures are included for the purpose of illustrating portions of the folding stairs and form no part of the claimed design.
The evenly spaced dash-dot broken lines on the side rails and steps shown in
The broken lines shown in the figures are included for the purpose of illustrating portions of the folding stairs and form no part of the claimed design.
Number | Name | Date | Kind |
---|---|---|---|
5505476 | Maccabee | Apr 1996 | A |
5941342 | Lee | Aug 1999 | A |
D449895 | Wilson | Oct 2001 | S |
D698463 | Porter | Jan 2014 | S |
8668216 | Ellement | Mar 2014 | B2 |
D742079 | Jakubowski | Oct 2015 | S |
20070289556 | Hoffman | Dec 2007 | A1 |
20080157500 | Raley | Jul 2008 | A1 |
20090211845 | Hoffman | Aug 2009 | A1 |