US D558,239 S
Portable refrigerator
Masahiro Takemoto, Ota (Japan); Hideo Sakai, Ota (Japan); and Yoshiaki Amano, Ota (Japan)
Assigned to Sawafuji Electric Co., Ltd., Tokyo (Japan)
Filed on Feb. 02, 2007, as Appl. No. 29/272,163.
Claims priority of application No. 2006-020661 (JP), filed on Aug. 04, 2006.
Term of patent 14 Years
LOC (8) Cl. 15 - 07
U.S. Cl. D15—79  [D15/83]
OG exemplary drawing
 
The ornamental design for a portable refrigerator, as shown.