Metal-air fuel cell
Description
The broken lines shown in the drawings depict portions of the metal-air fuel cell in which the design is embodied that form no part of the claimed design.
Claims
The ornamental design for a metal-air fuel cell, as shown and described.
Referenced Cited
U.S. Patent Documents
4895774 | January 23, 1990 | Ohzu |
5811202 | September 22, 1998 | Petraglia |
6296963 | October 2, 2001 | Nanjo |
D612806 | March 30, 2010 | Yasumoto |
D616819 | June 1, 2010 | Ohara |
D623135 | September 7, 2010 | Yasumoto et al. |
D642118 | July 26, 2011 | Uneo |
D652795 | January 24, 2012 | Attanasio |
D708134 | July 1, 2014 | Druker |
D708568 | July 8, 2014 | Fujita et al. |
Patent History
Patent number: D881118
Type: Grant
Filed: Oct 25, 2019
Date of Patent: Apr 14, 2020
Inventor: Wudai Hou (Shenzhen)
Primary Examiner: Derrick E Holland
Application Number: 29/710,704
Type: Grant
Filed: Oct 25, 2019
Date of Patent: Apr 14, 2020
Inventor: Wudai Hou (Shenzhen)
Primary Examiner: Derrick E Holland
Application Number: 29/710,704
Classifications
Current U.S. Class:
Energy Conversion Or Transformation (D13/101)