IP Library › Granted Patent US 1,083,413
Granted Patent S1
US 1,083,413 · App. 29/899,075 · Granted Jul 15, 2025

Step stool

Inventor: Mark Raymond Stultz (Maple Grove, MN)
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Quick Facts
Patent No.
US 1,083,413
App. No.
29/899,075
Granted
Jul 15, 2025
Kind
S1
Claims (1)

The ornamental design for a step stool as shown and described.

Continuity (1)
Continuation In Part 17667771 · Feb 9, 2022
References Cited (90)
US 2197266A · August · 1940 [cited by applicant]
US D151218S · Cameron · 1948 [cited by examiner]
US D161792S · Schilling · 1951 [cited by examiner]
US 2667658A · Cornick · 1954 [cited by applicant]
US 3030166A · Baker · 1962 [cited by examiner]
US 3481429A · Gaede · 1969 [cited by applicant]
US 3756678A · Klopfenstein · 1973 [cited by applicant]
US 4135604A · Ryan · 1979 [cited by applicant]
US 4276955A · Hickman · 1981 [cited by applicant]
US 4645261A · Bourne · 1987 [cited by examiner]
US 4753320A · Walter · 1988 [cited by applicant]
US 4757876A · Peacock · 1988 [cited by applicant]
US 4924970A · Seals et al. · 1990 [cited by applicant]
US 5085290A · Guirlinger · 1992 [cited by applicant]
US 5131492A · Caminiti et al. · 1992 [cited by applicant]
US 5341897A · Gross · 1994 [cited by applicant]
US 5660405A · Campbell · 1997 [cited by examiner]
US 5697470A · Carle · 1997 [cited by applicant]
US 5755498A · Cutler · 1998 [cited by applicant]
US 5967255A · Young · 1999 [cited by applicant]
US 6003633A · Rolson · 1999 [cited by applicant]
US 6039149A · Bedja et al. · 2000 [cited by applicant]
US D441094S · Hawe · 2001 [cited by examiner]
US D443072S · Schultz · 2001 [cited by examiner]
US D449386S · Cheris · 2001 [cited by examiner]
US 6425457B1 · Lundry · 2002 [cited by applicant]
US 6427804B1 · Lazarus · 2002 [cited by applicant]
US 6536557B2 · Gibson et al. · 2003 [cited by applicant]
US 6843347B2 · Lamberson et al. · 2005 [cited by applicant]
US 6880673B1 · Harris · 2005 [cited by applicant]
US 7017708B1 · Lynn · 2006 [cited by applicant]
US 7182176B2 · Gibson · 2007 [cited by applicant]
US D563685S · Adams · 2008 [cited by examiner]
US 7716757B2 · Sumpton et al. · 2010 [cited by applicant]
US 8127890B2 · Meyers · 2012 [cited by applicant]
US 8341806B2 · Parker et al. · 2013 [cited by applicant]
US 8459410B2 · Parvizian et al. · 2013 [cited by applicant]
US 8925682B2 · Chitayat et al. · 2015 [cited by applicant]
US 9290991B1 · McDill · 2016 [cited by applicant]
US 9611691B1 · Hunter et al. · 2017 [cited by applicant]
US 9617788B2 · Goodson · 2017 [cited by applicant]
US 9986843B2 · Baker · 2018 [cited by applicant]
US D825942S · Hunter · 2018 [cited by examiner]
US 10058187B2 · Gibson · 2018 [cited by applicant]
US 10253565B2 · Cornthwaite · 2019 [cited by applicant]
US 10271655B1 · Gwen · 2019 [cited by applicant]
US 10316584B1 · Cooper · 2019 [cited by applicant]
US 10582774B2 · White · 2020 [cited by applicant]
US 10898003B2 · Samaraweera · 2021 [cited by applicant]
US 10941616B2 · Woodward · 2021 [cited by applicant]
US D923950S · Marsden · 2021 [cited by examiner]
US 11202512B2 · Reid · 2021 [cited by applicant]
US D1024585S · Yao · 2024 [cited by examiner]
US 20020096918A1 · Russomanno · 2002 [cited by applicant]
US 20040251080A1 · Kalos · 2004 [cited by applicant]
US 20080251317A1 · Johnson · 2008 [cited by applicant]
US 20080264723A1 · Tatum et al. · 2008 [cited by applicant]
US 20090294214A1 · Vosbikian et al. · 2009 [cited by applicant]
US 20100200334A1 · Moldthan et al. · 2010 [cited by applicant]
US 20110017547A1 · Lee et al. · 2011 [cited by applicant]
US 20120086317A1 · Baran · 2012 [cited by applicant]
US 20120234630A1 · Havens · 2012 [cited by applicant]
US 20130213738A1 · Schroeder · 2013 [cited by applicant]
US 20140111072A1 · Camadella · 2014 [cited by applicant]
US 20140131138A1 · Simpson et al. · 2014 [cited by applicant]
US 20150001005A1 · Goodson · 2015 [cited by applicant]
US 20150083522A1 · Chancler · 2015 [cited by applicant]
US 20150090528A1 · Binegar · 2015 [cited by applicant]
US 20160309903A1 · Huang et al. · 2016 [cited by applicant]
US 20160338496A1 · Dumont · 2016 [cited by applicant]
US 20170226800A1 · Barry · 2017 [cited by applicant]
US 20170370148A1 · Smith · 2017 [cited by applicant]
US 20180334855A1 · Kinkade · 2018 [cited by applicant]
US 20190195015A1 · Cornthwaite · 2019 [cited by applicant]
US 20200170857A1 · Baiera · 2020 [cited by applicant]
US 20200237102A1 · Boyer · 2020 [cited by applicant]
US 20200300038A1 · Pinnock · 2020 [cited by applicant]
US 20200392787A1 · Navarro · 2020 [cited by applicant]
US 20220265045A1 · Stultz · 2022 [cited by examiner]
CA 2712790 · 2012 [cited by applicant]
CA 2851948 · 2014 [cited by applicant]
CN 110367709 · 2019 [cited by applicant]
CN 106690912 · 2021 [cited by applicant]
EP 1366692 · 2010 [cited by applicant]
FR 3048447 · 2020 [cited by applicant]
GB 1422671 · 1976 [cited by applicant]
GB 2416687 · 2006 [cited by applicant]
WO 2010121622 · 2010 [cited by applicant]
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). [cited by examiner]
Office Action in U.S. Appl. No. 17/667,771, mailed Mar. 14, 2024, 12 pages. [cited by applicant]