Step stool
The broken lines in the figures are included for the purpose of illustrating portions of a step stool and form no part of the claimed design.
Claims
The ornamental design for a step stool as shown and described.
2197266 | April 1940 | August |
D151218 | October 1948 | Cameron |
D161792 | January 1951 | Schilling |
2667658 | February 1954 | Cornick |
3030166 | April 1962 | Baker |
3481429 | December 1969 | Gaede |
3756678 | September 1973 | Klopfenstein |
4135604 | January 23, 1979 | Ryan |
4276955 | July 7, 1981 | Hickman |
4645261 | February 24, 1987 | Bourne |
4753320 | June 28, 1988 | Walter |
4757876 | July 19, 1988 | Peacock |
4924970 | May 15, 1990 | Seals et al. |
5085290 | February 4, 1992 | Guirlinger |
5131492 | July 21, 1992 | Caminiti et al. |
5341897 | August 30, 1994 | Gross |
5660405 | August 26, 1997 | Campbell |
5697470 | December 16, 1997 | Carle |
5755498 | May 26, 1998 | Cutler |
5967255 | October 19, 1999 | Young |
6003633 | December 21, 1999 | Rolson |
6039149 | March 21, 2000 | Bedja et al. |
D441094 | April 24, 2001 | Hawe |
D443072 | May 29, 2001 | Schultz |
D449386 | October 16, 2001 | Cheris |
6425457 | July 30, 2002 | Lundry |
6427804 | August 6, 2002 | Lazarus |
6536557 | March 25, 2003 | Gibson et al. |
6843347 | January 18, 2005 | Lamberson et al. |
6880673 | April 19, 2005 | Harris |
7017708 | March 28, 2006 | Lynn |
7182176 | February 27, 2007 | Gibson |
D563685 | March 11, 2008 | Adams |
7716757 | May 18, 2010 | Sumpton et al. |
8127890 | March 6, 2012 | Meyers |
8341806 | January 1, 2013 | Parker et al. |
8459410 | June 11, 2013 | Parvizian et al. |
8925682 | January 6, 2015 | Chitayat et al. |
9290991 | March 22, 2016 | McDill |
9611691 | April 4, 2017 | Hunter et al. |
9617788 | April 11, 2017 | Goodson |
9986843 | June 5, 2018 | Baker |
D825942 | August 21, 2018 | Hunter |
10058187 | August 28, 2018 | Gibson |
10253565 | April 9, 2019 | Cornthwaite |
10271655 | April 30, 2019 | Gwen |
10316584 | June 11, 2019 | Cooper |
10582774 | March 10, 2020 | White |
10898003 | January 26, 2021 | Samaraweera |
10941616 | March 9, 2021 | Woodward |
D923950 | July 6, 2021 | Marsden |
11202512 | December 21, 2021 | Reid |
D1024585 | April 30, 2024 | Yao |
20020096918 | July 25, 2002 | Russomanno |
20040251080 | December 16, 2004 | Kalos |
20080251317 | October 16, 2008 | Johnson |
20080264723 | October 30, 2008 | Tatum et al. |
20090294214 | December 3, 2009 | Vosbikian et al. |
20100200334 | August 12, 2010 | Moldthan et al. |
20110017547 | January 27, 2011 | Lee et al. |
20120086317 | April 12, 2012 | Baran |
20120234630 | September 20, 2012 | Havens |
20130213738 | August 22, 2013 | Schroeder |
20140111072 | April 24, 2014 | Camadella |
20140131138 | May 15, 2014 | Simpson et al. |
20150001005 | January 1, 2015 | Goodson |
20150083522 | March 26, 2015 | Chancler |
20150090528 | April 2, 2015 | Binegar |
20160309903 | October 27, 2016 | Huang et al. |
20160338496 | November 24, 2016 | Dumont |
20170226800 | August 10, 2017 | Barry |
20170370148 | December 28, 2017 | Smith |
20180334855 | November 22, 2018 | Kinkade |
20190195015 | June 27, 2019 | Cornthwaite |
20200170857 | June 4, 2020 | Baiera |
20200237102 | July 30, 2020 | Boyer |
20200300038 | September 24, 2020 | Pinnock |
20200392787 | December 17, 2020 | Navarro |
20220265045 | August 25, 2022 | Stultz |
2712790 | February 2012 | CA |
2851948 | November 2014 | CA |
110367709 | October 2019 | CN |
106690912 | July 2021 | CN |
1366692 | March 2010 | EP |
3048447 | July 2020 | FR |
1422671 | January 1976 | GB |
2416687 | February 2006 | GB |
2010121622 | October 2010 | WO |
- Untitled-myhiddenhelper, available in instgram.com, published Oct. 6, 2022 [online], Retrieved on Sep. 16, 2024 from URL: https://www.instagram.com/reel/CjYQgKOgxzo/ (Year: 2022).
- Office Action in U.S. Appl. No. 17/667,771, mailed Mar. 14, 2024, 12 pages.
Type: Grant
Filed: Aug 4, 2023
Date of Patent: Jul 15, 2025
Inventor: Mark Raymond Stultz (Maple Grove, MN)
Primary Examiner: Susan E Krakower
Assistant Examiner: Michelle M Reeves
Application Number: 29/899,075