The broken lines shown in the figures are for the purpose of illustrating portions of the workstation for supporting materials, equipment, and the like on a ladder and form no part of the claimed design. The broken lines showing a ladder in
The broken lines shown in the figures are for the purpose of illustrating portions of the workstation for supporting materials, equipment, and the like on a ladder and form no part of the claimed design. The broken lines showing a ladder in
Number | Name | Date | Kind |
---|---|---|---|
3807319 | Steanson, Jr. | Apr 1974 | A |
D279384 | Evenson | Jun 1985 | S |
4533018 | Tyson | Aug 1985 | A |
D280669 | Hammeke | Sep 1985 | S |
D289247 | Wang | Apr 1987 | S |
D299687 | Handler et al. | Feb 1989 | S |
4874147 | Ory | Oct 1989 | A |
D306365 | Brown et al. | Feb 1990 | S |
D309687 | Embree et al. | Aug 1990 | S |
D352202 | Campbell et al. | Nov 1994 | S |
D378726 | Dunn | Apr 1997 | S |
D396162 | Mutti | Jul 1998 | S |
D396953 | Iversen et al. | Aug 1998 | S |
D396955 | Iversen et al. | Aug 1998 | S |
D396956 | Iversen et al. | Aug 1998 | S |
5850956 | Hayward, Jr. | Dec 1998 | A |
D407254 | DeBooth | Mar 1999 | S |
D411509 | Schlegel | Jun 1999 | S |
5918550 | Weir et al. | Jul 1999 | A |
5941344 | Spadaro | Aug 1999 | A |
5967259 | Williams | Oct 1999 | A |
D447818 | Weber | Sep 2001 | S |
6474244 | Karpinski | Nov 2002 | B1 |
D484701 | Fabregas | Jan 2004 | S |
6842922 | Smeed | Jan 2005 | B2 |
D508774 | McAndrew | Aug 2005 | S |
D510481 | Hodgson | Oct 2005 | S |
7264084 | Switzer | Sep 2007 | B1 |
D554474 | Miller | Nov 2007 | S |
D577489 | Debowiecki | Sep 2008 | S |
D617990 | Liao | Jun 2010 | S |
D685110 | Lusin et al. | Jun 2013 | S |
D693125 | Bell | Nov 2013 | S |
9714542 | Harcz | Jul 2017 | B1 |
D795605 | Heffernan | Aug 2017 | S |
D810321 | Heffernan | Feb 2018 | S |
D844990 | Liao | Apr 2019 | S |
20020166724 | Kvam | Nov 2002 | A1 |
20050056486 | Butler et al. | Mar 2005 | A1 |
20050258002 | Sabo | Nov 2005 | A1 |
20050263468 | Wanda | Dec 2005 | A1 |
20090032662 | Parrott et al. | Feb 2009 | A1 |
20130112502 | Oliver | May 2013 | A1 |
20170089135 | Heffernan | Mar 2017 | A1 |
Entry |
---|
Heff Industries, 24″ Big Mule Workstation, Jul. 26, 2016, <https://heffindustries.com/store/#!/24-Big-Mule-Workstation/p/55583343/category=0>. |
Number | Date | Country | |
---|---|---|---|
Parent | 29544846 | Nov 2015 | US |
Child | 29637004 | US |