Multi chambered whistle
The drawings show both wire frame contour lines and surface shading lines. It is understood that all of the continuous solid lines in the drawings represent wire frame contour lines.
Claims
The ornamental design for a multi chambered whistle, as shown and described.
D96272 | July 1935 | Neill |
D102543 | December 1936 | Butterfield |
4821670 | April 18, 1989 | Foxcroft et al. |
5546887 | August 20, 1996 | Cameron |
5816186 | October 6, 1998 | Shepherd |
D409939 | May 18, 1999 | Sharp et al. |
D410771 | June 8, 1999 | Chang |
D462917 | September 17, 2002 | Hills et al. |
D488085 | April 6, 2004 | Cheng |
D502421 | March 1, 2005 | Cheng |
Type: Grant
Filed: Jan 26, 2007
Date of Patent: Nov 20, 2007
Inventors: Ron Foxcroft (Hamilton, ON), Graham Hills (Hamilton, ON), Steve Orzel (Hamilton, ON)
Primary Examiner: Cathron C. Brooks
Assistant Examiner: Austin Murphy
Application Number: 29/276,484