Grinding and polishing disc having extending fins which create an air cooling vortex
Description
Claims
The ornamental design for a grinding and polishing disc having extending fins which create an air cooling vortex, as shown.
Referenced Cited
U.S. Patent Documents
6354347 | March 12, 2002 | Brewer |
D474666 | May 20, 2003 | Jeong et al. |
D541124 | April 24, 2007 | Popov |
D548757 | August 14, 2007 | Ruan |
D549746 | August 28, 2007 | Popov |
D579296 | October 28, 2008 | Popov |
D582445 | December 9, 2008 | Yanase |
D624569 | September 28, 2010 | Norling |
D628217 | November 30, 2010 | Jespersen |
D635599 | April 5, 2011 | Furseth et al. |
20080191255 | August 14, 2008 | Lee |
20110319001 | December 29, 2011 | Eklund |
Patent History
Patent number: D660888
Type: Grant
Filed: Dec 7, 2011
Date of Patent: May 29, 2012
Inventor: Raffi Piliguian (North Hollywood, CA)
Primary Examiner: Patricia Palasik
Attorney: Thomas I. Rozsa
Application Number: 29/408,142
Type: Grant
Filed: Dec 7, 2011
Date of Patent: May 29, 2012
Inventor: Raffi Piliguian (North Hollywood, CA)
Primary Examiner: Patricia Palasik
Attorney: Thomas I. Rozsa
Application Number: 29/408,142
Classifications
Current U.S. Class:
Element Or Attachment (D15/126)