Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.


  1. Advanced Patent Search
Publication numberUSD569497 S1
Publication typeGrant
Application numberUS 29/278,831
Publication dateMay 20, 2008
Filing dateApr 11, 2007
Priority dateApr 11, 2007
Publication number278831, 29278831, US D569497 S1, US D569497S1, US-S1-D569497, USD569497 S1, USD569497S1
InventorsSusan K. Hoff, Mark C. Smith
Original AssigneeAccess Business Group International Llc
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Heat diffuser
US D569497 S1
Abstract  available in
Previous page
Next page
  1. The ornamental design for a heat diffuser, as shown and described.

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.

U.S. ClassificationD23/418