Work platform
Latest Werner Co. Patents:
The broken lines shown in the figures are included for the purpose of illustrating portions of the ladder top and form no part of the claimed design.
Claims
The ornamental design for a work platform, as shown and described.
1133109 | March 1915 | Derbyshire |
2587177 | February 1952 | Larson |
5096019 | March 17, 1992 | Kelsay |
5246085 | September 21, 1993 | Liegel |
5678653 | October 21, 1997 | Clinch |
5746288 | May 5, 1998 | O'Neal |
5984047 | November 16, 1999 | Rogers |
D461330 | August 13, 2002 | Wang |
D486243 | February 3, 2004 | Yamaoka |
D486244 | February 3, 2004 | Yamaoka |
D490165 | May 18, 2004 | Yamaoka |
D495426 | August 31, 2004 | Yamaoka |
6892860 | May 17, 2005 | Gibson |
D536799 | February 13, 2007 | Freitas |
7516704 | April 14, 2009 | Snider |
8042653 | October 25, 2011 | Grebinoski et al. |
8113316 | February 14, 2012 | Sward et al. |
8307769 | November 13, 2012 | Wescott |
D704858 | May 13, 2014 | Green |
9512627 | December 6, 2016 | Taron |
D776826 | January 17, 2017 | Foley et al. |
D781083 | March 14, 2017 | Zhu |
9752334 | September 5, 2017 | Foley et al. |
20040238280 | December 2, 2004 | Gibson |
20060169539 | August 3, 2006 | Grebinoski |
20070101910 | May 10, 2007 | Haimoff |
20090078165 | March 26, 2009 | Tseng |
20100071996 | March 25, 2010 | Huang |
20170044780 | February 16, 2017 | Foley et al. |
2207453 | January 1989 | GB |
2006 022530 | January 2006 | JP |
- Werner, “Climbing Equipment,” Catalog, p. 42, (Sep. 8, 2015).
- Gorilla Ladder Model #GLP-WP, Brochure, May 2016.
Type: Grant
Filed: Mar 16, 2017
Date of Patent: Sep 8, 2020
Assignee: Werner Co. (Greenville, PA)
Inventors: Steve Woodward (Meadville, PA), Thomas Parker (Jamestown, PA)
Primary Examiner: Gino Colan
Application Number: 29/597,382