Air purifier
Latest Blueair AB Patents:
Description
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: D591412
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: 29/312,150
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: 29/312,150
Classifications
Current U.S. Class:
Air Cleaner (D23/364)