Three port whistle
Description
Claims
The ornamental design for a three port whistle, as shown and described.
Referenced Cited
U.S. Patent Documents
D76516 | October 1928 | Zisch |
D96272 | July 1935 | Neill |
D102543 | December 1936 | Butterfield |
D409939 | May 18, 1999 | Sharp et al. |
D462917 | September 17, 2002 | Hills et al. |
D488085 | April 6, 2004 | Cheng |
D622172 | August 24, 2010 | Hills et al. |
7987809 | August 2, 2011 | Uribe et al. |
20030033970 | February 20, 2003 | Hills et al. |
20090178606 | July 16, 2009 | Wu |
Patent History
Patent number: D661215
Type: Grant
Filed: Oct 6, 2011
Date of Patent: Jun 5, 2012
Inventors: Ronald Foxcroft (Burlington), David Foxcroft (Burlington), Graham Hills (Hamilton), Stephen Orzel (Hamilton), Kirk Mosna (Ancaster)
Primary Examiner: George D Kirschbaum
Application Number: 29/403,431
Type: Grant
Filed: Oct 6, 2011
Date of Patent: Jun 5, 2012
Inventors: Ronald Foxcroft (Burlington), David Foxcroft (Burlington), Graham Hills (Hamilton), Stephen Orzel (Hamilton), Kirk Mosna (Ancaster)
Primary Examiner: George D Kirschbaum
Application Number: 29/403,431
Classifications
Current U.S. Class:
Whistle (D10/119.3)