Foldable four-wheel walking aid

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Description

FIG. 1 is a first perspective view of a foldable four-wheel walking aid showing my new design;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom, view thereof;

FIG. 9 is a first perspective view of, another state of the foldable four-wheel walking aid thereof;

FIG. 10 is a second perspective view of another state of the foldable four-wheel, walking aid thereof; and,

FIG. 11 is an enlarged view of the selected portion in FIG. 1.

Claims

The ornamental design for a foldable four-wheel walking aid, as shown and described.

Referenced Cited
U.S. Patent Documents
9839571 December 12, 2017 Pan
D836499 December 25, 2018 Delatorre
D897243 September 29, 2020 Tsai
11219573 January 11, 2022 Lu
20170008544 January 12, 2017 Kindberg
20170354564 December 14, 2017 Dirauf
20200352816 November 12, 2020 Lu
Foreign Patent Documents
106265002 January 2017 CN
108272605 July 2018 CN
108785027 November 2018 CN
110279564 September 2019 CN
210844120 June 2020 CN
112168633 January 2021 CN
102016210212 December 2017 DE
3095431 November 2016 EP
3153147 April 2017 EP
3205322 August 2017 EP
20200120995 October 2020 KR
WO-2014188726 November 2014 WO
WO-2020236747 November 2020 WO
WO-2021037936 March 2021 WO
Other references
  • ELENKER Upright Rollator Walker, Published Aug. 10, 2020 [online], [retrieved on Sep. 19, 2021]. Retrieved from the Internet: https ://www.amazon.com/ELENKER-Upright-Rollator-Adjustable-Backrest/dp/B08FJBPKK1/ref=sr_1_1?dchild=1&keywords=B08FJBPKK1&qid=1632097341&sr=8-1 (Year: 2020).
Patent History
Patent number: D953210
Type: Grant
Filed: Jun 17, 2020
Date of Patent: May 31, 2022
Inventor: Yonghua Lu (Shangrao)
Primary Examiner: Cary M Robinson
Assistant Examiner: Adam C Mager
Application Number: 29/738,336
Classifications
Current U.S. Class: Walker (D12/130)