Air filter
Description
FIG. 1 is a perspective view of an air filter, showing my new desgin;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left elevational view thereof;
FIG. 5 is a right elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
Claims
The ornamental design for an air filter, as shown.
Referenced Cited
Patent History
Patent number: D474836
Type: Grant
Filed: Jul 30, 2002
Date of Patent: May 20, 2003
Inventor: Yung-Yu Chang (Shan-Hua Chen, Tainan Hsien)
Primary Examiner: Robin V. Taylor
Attorney, Agent or Law Firm: Rabin & Berdo, P.C.
Application Number: 29/164,636
Type: Grant
Filed: Jul 30, 2002
Date of Patent: May 20, 2003
Inventor: Yung-Yu Chang (Shan-Hua Chen, Tainan Hsien)
Primary Examiner: Robin V. Taylor
Attorney, Agent or Law Firm: Rabin & Berdo, P.C.
Application Number: 29/164,636
Classifications