US D593,189 S
Air filter
Eizou Kawano, Ibaraki (Japan); Youzou Yano, Ibaraki (Japan); Takashi Tagou, Ibaraki (Japan); and Akio Suzuki, Ibaraki (Japan)
Assigned to Nitto Denko Corporation, Osaka (Japan)
Filed on Apr. 19, 2007, as Appl. No. 29/286,071.
Claims priority of application No. 2006-028402 (JP), filed on Oct. 19, 2006; application No. 2006-028403 (JP), filed on Oct. 19, 2006; application No. 2006-028405 (JP), filed on Oct. 19, 2006; application No. 2006-028416 (JP), filed on Oct. 19, 2006; and application No. 2007-028412 (JP), filed on Oct. 19, 2006.
Term of patent 14 Years
LOC (9) Cl. 23 - 04
U.S. Cl. D23—365
OG exemplary drawing
 
The ornamental design for an air filter, as shown and described.