Circumferential matrix system

- Dentsply Sirona Inc.
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Description

FIG. 1 is an isometric view of a circumferential matrix system showing our new design;

FIG. 2 is a first side view thereof;

FIG. 3 is a second side view thereof;

FIG. 4 is a rear side view thereof;

FIG. 5 is a front side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

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
3795981 March 1974 Franklin
3829975 August 1974 Balson
3854210 December 1974 Franklin
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
Other references
  • 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
Classifications