Heat diffuser

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Description

FIG. 1 is a perspective view of a heat diffuser in accordance with one embodiment of the present invention;

FIG. 2 is a side view thereof;

FIG. 3 front view thereof; and,

FIG. 4 is a rear view thereof.

Claims

The ornamental design for a heat diffuser, as shown and described.

Referenced Cited
U.S. Patent Documents
4198 September 1845 Lewis
469597 February 1892 Reid
D33737 December 1900 Spears
D33794 December 1900 White
1535431 April 1925 Mendelson
D69852 April 1926 Stockstrom
1731734 October 1929 Antonelli
D91011 November 1933 Crisenberry
2136666 November 1938 Barker
2200985 May 1940 Faulds
D122149 August 1940 Schoenberger
2376520 May 1945 Sterick
D172856 August 1954 Wittmann
3684087 August 1972 Anderson
4624239 November 25, 1986 Yellin
4858590 August 22, 1989 Bailey
D342865 January 4, 1994 Addison et al.
D394312 May 12, 1998 Thompson
D398997 September 29, 1998 Taylor
Patent History
Patent number: D569497
Type: Grant
Filed: Apr 11, 2007
Date of Patent: May 20, 2008
Assignee: Access Business Group International LLC (Ada, MI)
Inventors: Susan K. Hoff (Belmont, MI), Mark C. Smith (Rockford, MI)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Karen Acker
Attorney: Warner Norcross & Judd LLP
Application Number: 29/278,831
Classifications
Current U.S. Class: Element (D23/418)