Dental matrix retainer ring
Description
Claims
The ornamental design for a dental matrix retainer ring, as shown and described.
Referenced Cited
U.S. Patent Documents
943353 | December 1909 | Ivory |
1378748 | May 1921 | Wiggins |
2771677 | November 1956 | Curry |
D346657 | May 3, 1994 | LaPlante et al. |
D346860 | May 10, 1994 | Kesling |
D353200 | December 6, 1994 | Martin |
5607302 | March 4, 1997 | Garrison et al. |
6325625 | December 4, 2001 | Meyer |
6336810 | January 8, 2002 | Bertoletti |
6712608 | March 30, 2004 | Bills |
7077651 | July 18, 2006 | Anderson |
7214058 | May 8, 2007 | Summer |
Patent History
Patent number: D604854
Type: Grant
Filed: May 6, 2008
Date of Patent: Nov 24, 2009
Inventor: Simon Paul McDonald (Kati Kati, BOP)
Primary Examiner: Charles A Rademaker
Application Number: 29/307,672
Type: Grant
Filed: May 6, 2008
Date of Patent: Nov 24, 2009
Inventor: Simon Paul McDonald (Kati Kati, BOP)
Primary Examiner: Charles A Rademaker
Application Number: 29/307,672
Classifications
Current U.S. Class:
Mold, Model Or Form (48) (D24/181)