Biological air filter

- Le Labogroup SAS

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Description

FIG. 1 shows a perspective view of the design.

FIG. 2 shows a rear view of the design.

FIG. 3 shows a front view of the design.

FIG. 4 shows a left side view of the design.

FIG. 5 shows a right side view of the design.

FIG. 6 shows a top view of the design; and,

FIG. 7 shows a bottom view of the design.

The broken lines depict portions of the air filter that form no part of the claimed design.

Claims

The ornamental design for a biological air filter, substantially as shown and described.

Referenced Cited
U.S. Patent Documents
D274837 July 24, 1984 Lynch et al.
D295783 May 17, 1988 Gutkowski
D448417 September 25, 2001 Kwok
D468415 January 7, 2003 Moreno et al.
D522641 June 6, 2006 Matsuda et al.
D522642 June 6, 2006 Matsuda et al.
D531294 October 31, 2006 Kazakevicius et al.
D545950 July 3, 2007 Ching et al.
D551333 September 18, 2007 Wu
D551745 September 25, 2007 Aulwes et al.
D592295 May 12, 2009 Nanda
D598527 August 18, 2009 Fitsch
D598770 August 25, 2009 Delfino, Jr.
Foreign Patent Documents
WO 2009/048925 April 2009 WO
Other references
  • Japanese Patent Office, “Notification of Reasons for Refusal”, JP Application No. 2009-8119, mailed on Jul. 31, 2009 (6 pages).
  • Pen, vol. 11, Issue 15, p. 100.
Patent History
Patent number: D621020
Type: Grant
Filed: Apr 8, 2009
Date of Patent: Aug 3, 2010
Assignee: Le Labogroup SAS (Paris)
Inventor: Mathieu Lehanneur (Paris)
Primary Examiner: T. Chase Nelson
Assistant Examiner: David G Muller
Attorney: Fish & Richardson P.C.
Application Number: 29/335,070
Classifications
Current U.S. Class: Air Cleaner (D23/364)