Patent
   D733890
Priority
Jun 20 2013
Filed
Dec 13 2013
Issued
Jul 07 2015
Expiry
Jul 07 2029
Assg.orig
Entity
unknown
1
19
n/a
The ornamental design for a shade guide, as shown and described.

A portion of the disclosure of this patent document contains material which is subject to copyright protection. This patent document may show and/or describe matter which is or may become trade dress of the owner. The copyright and trade dress owner has no objection to the facsimile reproduction by anyone of the patent disclosure as it appears in the Patent and Trademark Office patent files or records, but otherwise reserves all copyright and trade dress rights whatsoever.

FIG. 1 is a perspective view of a shade guide showing our new design.

FIG. 2 is a front view thereof.

FIG. 3 is a rear view thereof.

FIG. 4 is a top view thereof.

FIG. 5 is a bottom view thereof.

FIG. 6 is a left side view thereof; and,

FIG. 7 is a right side view thereof.

The text shown in broken lines in the figures represents portions of the shade guide that form no part of the claimed design.

Rohner, Gottfried, Watzke, Ronny, Grünenfelder, Robert, Brotzge, Michael

Patent Priority Assignee Title
D798457, Feb 04 2015 Ivoclar Vivadent AG Color key
Patent Priority Assignee Title
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3964167, Oct 24 1974 Disposable tooth shade guide
4618325, Mar 18 1985 Custom dental shade guide tab
4657399, Dec 23 1983 Color mixture indicator device
4810193, Apr 23 1987 Tooth shade guide casting form
4828117, Jul 18 1984 DENTSPLY INTERNATIONAL INC , A CORP OF DE Porcelain dental restoration having a plurality of uniform, color-matched layers
4834654, Apr 12 1988 Dental prosthesis applicator
5066227, Apr 17 1991 American Tooth Industries Dental tooth shade matching system
5257931, Apr 17 1991 American Tooth Industries Dental tooth shade/hue matching reference system
5498157, Oct 07 1992 Dental color mixture indicator device
6315554, Nov 17 1999 Dentsply Research & Development Corp Dental restorative shade guide and method of selecting a dental restorative shade
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D667556, Oct 28 2009 KURARAY NORITAKE DENTAL INC Shade guide holder for dental restoratives
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 13 2013Ivoclar Vivadent AG(assignment on the face of the patent)
Mar 31 2015BROTZGE, MICHAELIvoclar Vivadent AGASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0353680248 pdf
Mar 31 2015ROHNER, GOTTFRIEDIvoclar Vivadent AGASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0353680248 pdf
Apr 02 2015WATZKE, RONNYIvoclar Vivadent AGASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0353680248 pdf
Apr 08 2015GRÜNENFELDER, ROBERTIvoclar Vivadent AGASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0353680248 pdf
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