Air purifier
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Description
The broken lines are for illustrative purposes only and form no part of the claimed design.
Claims
The ornamental design for an 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: D580539
Type: Grant
Filed: Sep 8, 2006
Date of Patent: Nov 11, 2008
Assignee: Blueair AB (Stockholm)
Inventors: Bengt Rittri (Stockholm), Johan Wennerstrom (Sollentuna)
Primary Examiner: Louis S Zarfas
Assistant Examiner: David G Muller
Attorney: Chapman and Cutler LLP
Application Number: 29/265,780
Type: Grant
Filed: Sep 8, 2006
Date of Patent: Nov 11, 2008
Assignee: Blueair AB (Stockholm)
Inventors: Bengt Rittri (Stockholm), Johan Wennerstrom (Sollentuna)
Primary Examiner: Louis S Zarfas
Assistant Examiner: David G Muller
Attorney: Chapman and Cutler LLP
Application Number: 29/265,780
Classifications