Air purifier

- Blueair AB
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Description

FIG. 1 is a right front perspective view of the tall air filter of our new design;

FIG. 2 is a left rear perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The features shown in broken lines depict environmental subject matter only and form no part of the claimed design.

Claims

The ornamental design for a air purifier, as shown and described.

Referenced Cited
U.S. Patent Documents
D274748 July 17, 1984 Aberg
D281276 November 5, 1985 Farrer
D290872 July 14, 1987 Kouno et al.
D300776 April 18, 1989 Fu et al.
D310712 September 18, 1990 Del Fresno
D334056 March 16, 1993 Cook
D339858 September 28, 1993 Shong
D361832 August 29, 1995 Cunning
D387151 December 2, 1997 Fok
D546436 July 10, 2007 Chen
D564084 March 11, 2008 Chen
D565721 April 1, 2008 Chen
D566260 April 8, 2008 Chen
Patent History
Patent number: D591413
Type: Grant
Filed: Oct 2, 2008
Date of Patent: Apr 28, 2009
Assignee: Blueair AB (Stockholm)
Inventors: Bengt Rittri (Stockholm), Johan Wennerstrom (Sollentuna)
Primary Examiner: T. Chase Nelson
Assistant Examiner: David G Muller
Attorney: Chapman and Cutler LLP
Application Number: 29/312,151
Classifications
Current U.S. Class: Air Cleaner (D23/364)