IP Library › Granted Patent US 1,077,691
Granted Patent S1
US 1,077,691 · App. 29/880,597 · Granted Jun 3, 2025

Backrest of a rollator

Inventors: Olivia Whitmore (Newcastle-under-Lyme, GB); Samuel Thompson (Wensley, GB); Benjamin Ambrose (Wetherby, GB); Jordan Martin (Halifax, GB)
Assignee: Medical Depot, Inc.
A61H3/04A61H2003/046A61H2201/0161
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Quick Facts
Patent No.
US 1,077,691
App. No.
29/880,597
Granted
Jun 3, 2025
Kind
S1
Claims (1)

The ornamental design for a backrest of a rollator, as shown and described.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 5, 2025
From: DRIVE DEVILBISS HEALTHCARE
To: MEDICAL DEPOT, INC.
Reel/Frame 072793/0409 →
SECURITY INTEREST Recorded Nov 3, 2025
From: DEVILBISS HEALTHCARE LLC; HURRYWORKS LLC; INOVO, INC.; MEDICAL DEPOT, INC.; DRIVE MEDICAL CANADA INC.
To: FORTRESS CREDIT CORP., AS COLLATERAL AGENT
Reel/Frame 073529/0050 →
Continuity (2)
Continuation 18069774 · Dec 21, 2022
Continuation 17176590 · Feb 16, 2021
References Cited (135)
US 1162158A · Haaker · 1915 [cited by applicant]
US 1391846A · Nienaber · 1921 [cited by applicant]
US 1743688A · Schoff · 1926 [cited by applicant]
US 1638810A · Klaus · 1927 [cited by applicant]
US 3877505A · Besuden et al. · 1975 [cited by applicant]
US 4289186A · Wilde · 1981 [cited by applicant]
US 4393913A · Grawey · 1983 [cited by applicant]
US 4869279A · Hedges · 1989 [cited by applicant]
US 5275473A · Hicks · 1994 [cited by applicant]
US 5284350A · Geiger et al. · 1994 [cited by applicant]
US 5328183A · Counts · 1994 [cited by applicant]
US 5358204A · Terada · 1994 [cited by applicant]
US 5533793A · Walker · 1996 [cited by applicant]
US 5984245A · Hsu · 1999 [cited by applicant]
US 6050582A · Horacek · 2000 [cited by applicant]
US 6241275B1 · Slagerman · 2001 [cited by applicant]
US 6244316B1 · Naedler · 2001 [cited by applicant]
US 6250722B1 · Radke · 2001 [cited by applicant]
US 6357502B1 · Caretta · 2002 [cited by applicant]
US 6367823B1 · Miyagi · 2002 [cited by applicant]
US 6463825B2 · Lee · 2002 [cited by applicant]
US 6494469B1 · Hara · 2002 [cited by examiner]
US 6563035B2 · Hsieh · 2003 [cited by applicant]
US 6817451B1 · Chen · 2004 [cited by applicant]
US D501432S · Møller · 2005 [cited by applicant]
US 6923416B1 · Hsieh · 2005 [cited by applicant]
US 7368647B2 · Hsieh · 2008 [cited by applicant]
US 7384058B2 · Munsey et al. · 2008 [cited by applicant]
US 7410179B2 · Lonkvist · 2008 [cited by applicant]
US 7559560B2 · Li et al. · 2009 [cited by applicant]
US 8240437B2 · Liljedahl · 2012 [cited by applicant]
US 8517399B2 · Liu · 2013 [cited by applicant]
US 8544516B2 · Mariman et al. · 2013 [cited by applicant]
US 8578984B2 · Hannah · 2013 [cited by applicant]
US 8628108B2 · Gingras et al. · 2014 [cited by applicant]
US D699634S · Wu · 2014 [cited by applicant]
US 8646804B2 · Derks et al. · 2014 [cited by applicant]
US 8708363B1 · Chang · 2014 [cited by applicant]
US 8840125B2 · Huang · 2014 [cited by applicant]
US 8998223B2 · Chang · 2015 [cited by applicant]
US D736121S · Wang · 2015 [cited by examiner]
US D739314S · Wang et al. · 2015 [cited by applicant]
US 9221433B2 · Dunlap · 2015 [cited by applicant]
US D754568S · Wang · 2016 [cited by examiner]
US 9381132B2 · Chen · 2016 [cited by applicant]
US 9474203B2 · Anderson et al. · 2016 [cited by applicant]
US 9511788B1 · Kruppa · 2016 [cited by applicant]
US 9643454B2 · Kumar et al. · 2017 [cited by applicant]
US 9687411B2 · Chen · 2017 [cited by applicant]
US 9731562B2 · Smith et al. · 2017 [cited by applicant]
US D801231S · Wang · 2017 [cited by examiner]
US 9821827B2 · Kindberg · 2017 [cited by applicant]
US 9839571B2 · Pan · 2017 [cited by applicant]
US 9854734B2 · Phely et al. · 2018 [cited by applicant]
US 9877889B2 · Chen · 2018 [cited by applicant]
US D819503S · Huang · 2018 [cited by applicant]
US 10064782B1 · Levi · 2018 [cited by applicant]
US D836499S · Delatorre et al. · 2018 [cited by applicant]
US D837697S · Luo · 2019 [cited by applicant]
US D845841S · No-Young · 2019 [cited by applicant]
US D857561S · Berman · 2019 [cited by examiner]
US D865575S · Lin · 2019 [cited by applicant]
US 10464369B1 · Samuels · 2019 [cited by applicant]
US 10485724B2 · Schaaper et al. · 2019 [cited by applicant]
US D869347S · Huang · 2019 [cited by applicant]
US D874351S · Fellingham et al. · 2020 [cited by applicant]
US 10555866B2 · Pan et al. · 2020 [cited by applicant]
US 10618349B2 · Johnson · 2020 [cited by applicant]
US 10667967B2 · Horacek · 2020 [cited by applicant]
US 10667968B2 · Ueda et al. · 2020 [cited by applicant]
US 10675207B2 · VanAusdall · 2020 [cited by applicant]
US D962129S · Delatorre · 2022 [cited by examiner]
US D966948S · Zhang · 2022 [cited by examiner]
US 11648170B1 · Abrahamson · 2023 [cited by examiner]
US D1002445S · Wang · 2023 [cited by examiner]
US D1038845S · Wang · 2024 [cited by examiner]
US 20040021299A1 · Tsai · 2004 [cited by applicant]
US 20050077760A1 · Smith · 2005 [cited by applicant]
US 20050121566A1 · Hennessey et al. · 2005 [cited by applicant]
US 20060027298A1 · Han · 2006 [cited by applicant]
US 20060070777A1 · Ducharme · 2006 [cited by applicant]
US 20060070785A1 · Ducharme · 2006 [cited by applicant]
US 20060071767A1 · Johanning · 2006 [cited by applicant]
US 20070267835A1 · Huang · 2007 [cited by applicant]
US 20100301574A1 · Derks · 2010 [cited by examiner]
US 20120090926A1 · Dunlap · 2012 [cited by applicant]
US 20140125037A1 · Andersen · 2014 [cited by examiner]
US 20140305249A1 · Liu · 2014 [cited by applicant]
US 20150245973A1 · Liu · 2015 [cited by applicant]
US 20180244107A1 · Bonac · 2018 [cited by applicant]
US 20190143761A1 · Ahouanto · 2019 [cited by applicant]
US 20200016933A1 · Knotowicz et al. · 2020 [cited by applicant]
US 20200078258A1 · Kanaya et al. · 2020 [cited by applicant]
US 20200315901A1 · Fellingham · 2020 [cited by applicant]
US 20210146771A1 · Zhu · 2021 [cited by applicant]
US 20220003308A1 · Verbridge · 2022 [cited by applicant]
US 20220151860A1 · Shugert · 2022 [cited by applicant]
US 20220257450A1 · Whitmore · 2022 [cited by examiner]
CA 2594566A1 · 2009 [cited by applicant]
CA 2837594A1 · 2015 [cited by applicant]
CN 210844117U · 2020 [cited by applicant]
DE 8614849U1 · 1986 [cited by applicant]
DE 9218713U1 · 1995 [cited by applicant]
DE 102010031954A1 · 2012 [cited by applicant]
DE 202012100468U1 · 2012 [cited by applicant]
DE 202012100469U1 · 2012 [cited by applicant]
DE 202012100470U1 · 2012 [cited by applicant]
DE 202012103311U1 · 2012 [cited by applicant]
DE 102012000587A1 · 2013 [cited by applicant]
DE 202011110430U1 · 2013 [cited by applicant]
DE 202019101063U1 · 2019 [cited by applicant]
EP 1238824A1 · 2002 [cited by applicant]
EP 1824724A2 · 2007 [cited by applicant]
EP 1931295A1 · 2008 [cited by applicant]
EP 2140846A1 · 2010 [cited by applicant]
EP 2328536A1 · 2011 [cited by applicant]
EP 2520266A1 · 2012 [cited by applicant]
EP 2535033A1 · 2012 [cited by applicant]
EP 2878290A1 · 2015 [cited by applicant]
EP 3095431A1 · 2016 [cited by applicant]
EP 3487464A1 · 2019 [cited by applicant]
GB 2424213A · 2006 [cited by applicant]
WO 2007007811A1 · 2007 [cited by applicant]
WO 2007043268A1 · 2007 [cited by applicant]
WO 2016038671A1 · 2016 [cited by applicant]
WO 2018052306A1 · 2018 [cited by applicant]
WO 2018056829A1 · 2018 [cited by applicant]
WO 2020006790A1 · 2020 [cited by applicant]
WO 2020067902A1 · 2020 [cited by applicant]
WO 2020067903A1 · 2020 [cited by applicant]
Foldable Rollator, Posted Mar. 29, 2023 [online], [Retrieved Mar. 3, 2025] RetrievedFrom https://www.amazon.com/Drive-Medical-Foldable-Rollator-Lightweight/dp/B0BZWV5PW7?th=1 (NPL Year 2023) (Year: 2023). [cited by examiner]
International Search Report and Written Opinion dated Mar. 2, 2022, issued in corresponding international application No. PCT/US2021/059639, 11 pages. [cited by applicant]
Constantin, Angely; U.S. Pat. No. 0957413A, granted May 10, 1910, 2 pages. [cited by applicant]
Connable, Frank L.; U.S. Pat. No. 0812165A, granted Feb. 6, 1906, 4 pages. [cited by applicant]
Grotz, Christian; U.S. Pat. No. 0731677A, granted Jun. 23, 1903, 3 pages. [cited by applicant]