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)