Circumferential matrix system
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Description
The broken lines shown in the figures are included for the purpose of illustrating portions of the circumferential matrix system and form no part of the claimed design.
Claims
The ornamental design for a circumferential matrix system, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
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3829975 | August 1974 | Balson |
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5055045 | October 8, 1991 | Dickie |
5342197 | August 30, 1994 | Stein |
D370732 | June 11, 1996 | Smith |
5584692 | December 17, 1996 | Weissenfluh |
7322823 | January 29, 2008 | Schaffner |
8517732 | August 27, 2013 | Segal |
20110189629 | August 4, 2011 | Kilcher |
20140038130 | February 6, 2014 | Pun |
20140199652 | July 17, 2014 | McDonald |
- ReelMatrix. [On line]. [Retrieved on May 16, 2017]. Retriveved from the Internet: <URL: www.google.com/images>.
Patent History
Patent number: D792594
Type: Grant
Filed: May 10, 2016
Date of Patent: Jul 18, 2017
Assignee: Dentsply Sirona Inc. (York, PA)
Inventor: Peter John Nicholson (Katikati)
Primary Examiner: Wan Laymon
Application Number: 29/564,034
Type: Grant
Filed: May 10, 2016
Date of Patent: Jul 18, 2017
Assignee: Dentsply Sirona Inc. (York, PA)
Inventor: Peter John Nicholson (Katikati)
Primary Examiner: Wan Laymon
Application Number: 29/564,034
Classifications