Color key
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Description
The broken lines shown in the figures are included for the purpose of illustrating portions of the color key and form no part of the claimed design.
Claims
The ornamental design for a color key, as shown and described.
Referenced Cited
U.S. Patent Documents
825578 | July 1906 | Browne |
854486 | May 1907 | Gibson |
1244994 | October 1917 | Leuchsenring |
1518608 | December 1924 | Short |
D115948 | August 1939 | Barnes |
4207678 | June 17, 1980 | Jeannette |
D667556 | September 18, 2012 | Ikenaga |
D733890 | July 7, 2015 | Watzke |
D737982 | September 1, 2015 | Terakawa |
20090233253 | September 17, 2009 | Mrazek |
Patent History
Patent number: D798457
Type: Grant
Filed: Jul 8, 2015
Date of Patent: Sep 26, 2017
Assignee: Ivoclar Vivadent AG (Schaan)
Inventors: Martin Bertagnolli (Naturns), Antonio Ferilli (Wängi), Frank Müller (Feldkirch), Wolfgang Ruess (Schellenberg), Thomas Doblander (Hergensweiler)
Primary Examiner: Wan Laymon
Application Number: 29/532,531
Type: Grant
Filed: Jul 8, 2015
Date of Patent: Sep 26, 2017
Assignee: Ivoclar Vivadent AG (Schaan)
Inventors: Martin Bertagnolli (Naturns), Antonio Ferilli (Wängi), Frank Müller (Feldkirch), Wolfgang Ruess (Schellenberg), Thomas Doblander (Hergensweiler)
Primary Examiner: Wan Laymon
Application Number: 29/532,531
Classifications
Current U.S. Class:
Mold, Model Or Form (48) (D24/181)