Hand warmer
Description
The broken lines in the drawings illustrate portions of the hand warmer which form no part of the claimed design.
Claims
The ornamental design for a hand warmer, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
2579620 | December 1951 | Smith |
2942601 | June 1960 | Smith |
D878617 | March 17, 2020 | Zhu |
10682252 | June 16, 2020 | Powers |
D911954 | March 2, 2021 | Xie |
D912261 | March 2, 2021 | Tang |
20100024795 | February 4, 2010 | Lee |
20130068212 | March 21, 2013 | Chen |
20180289531 | October 11, 2018 | Thomas |
- CN305819383—Hand warmer portable power source (handbag B) Bie Zhi Jun. 2, 2020 (Year: 2020).
- CN305448271—Hand warmer Qiu Shikai Nov. 19, 2019 (Year: 2019).
- CN305454313—Hand Warmer—Peng Wei Nov. 22, 219 (Year: 2019).
Patent History
Classifications