Foldable four-wheel walking aid
Description
Claims
The ornamental design for a foldable four-wheel walking aid, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
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 |
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 |
- 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
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)