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Patent
   D758591
Priority
Jun 20 2013
Filed
Jun 01 2015
Issued
Jun 07 2016
Expiry
Jun 07 2031
Inventors
Rohner, Go…
Assg.orig
Ivoclar Vi…
Assg.curr
Ivoclar Vi…
Entity
unknown
Referenced by
1
References
26
Maint.:
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 right view thereof.

FIG. 5 is a left view thereof.

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

FIG. 7 is a bottom side view thereof.

The drawing figures are lined for color.
INVENTORS:

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

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D925042, Mar 12 2019 SOLVENTUM INTELLECTUAL PROPERTIES COMPANY Dental composite shade guide
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
1244994,
1327306,
1518608,
2479543,
3964167, Oct 24 1974 Disposable tooth shade guide
4115922, Sep 20 1976 Dental crown and bridge shading system
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
5078598, Aug 10 1990 Minnesota Mining and Manufacturing Company Dental shade guide
5257931, Apr 17 1991 American Tooth Industries Dental tooth shade/hue matching reference system
5498157, Oct 07 1992 Dental color mixture indicator device
5725372, Mar 20 1996 Tooth shade guide
5989022, Oct 14 1996 Kabushiki Kaisha Shofu Shade matching device for artificial teeth and crown restoration
6315554, Nov 17 1999 Dentsply Research & Development Corp Dental restorative shade guide and method of selecting a dental restorative shade
6623271, May 19 2000 ARDENT, INC Mouth simulator apparatus
7326052, Jun 25 2004 GC Corporation Dental shade guide having tag with mark indication part
20020064749,
20090233253,
20100055638,
115948,
D328348, Aug 10 1990 Minnesota Mining and Manufacturing Company Dental shade guide
D667556, Oct 28 2009 KURARAY NORITAKE DENTAL INC Shade guide holder for dental restoratives
ASSIGNMENT RECORDS    Assignment records on the USPTO
/////
Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 31 2015BROTZGE, MICHAELIvoclar Vivadent AGASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0357550188 pdf
Mar 31 2015ROHNER, GOTTFRIEDIvoclar Vivadent AGASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0357550188 pdf
Apr 02 2015WATZKE, RONNYIvoclar Vivadent AGASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0357550188 pdf
Apr 08 2015GRUNENFELDER, ROBERTIvoclar Vivadent AGASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0357550188 pdf
Jun 01 2015Ivoclar Vivadent AG(assignment on the face of the patent)
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