Patent
   D781428
Priority
Aug 03 2015
Filed
Aug 03 2015
Issued
Mar 14 2017
Expiry
Mar 14 2032

TERM.DISCL.
Assg.orig
Entity
unknown
4
20
n/a
The ornamental design for a dental restoration preform, as shown and described.

FIG. 1 is a front perspective view of a dental restoration preform showing our new design;

FIG. 2 is a back perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a back view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The shade lines in the Figures show contour and not surface ornamentation. The broken lines in the Figures show portions of the dental restoration preform that form no part of the claimed design. The dot-dash lines showing a mandrel in the Figures is to depict environmental context only and form no part of the claimed design.

Leeson, David Christopher, Nemagrdi, Vaheh Golestanian, Jokada, Marco A., Madanipour, Hossein

Patent Priority Assignee Title
11912629, Sep 14 2020 JAMES R GLIDEWELL DENTAL CERAMICS, INC Method for enhancing mechanical properties in sintered ceramic bodies having applications in dental restorations
D939712, Nov 01 2019 JAMES R GLIDEWELL DENTAL CERAMICS, INC Dental restoration preform
ER5710,
ER911,
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Aug 03 2015James R. Glidewell Dental Ceramics, Inc.(assignment on the face of the patent)
Aug 17 2015LEESON, DAVID C JAMES R GLIDEWELL DENTAL CERAMICS, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0365780868 pdf
Aug 17 2015JOKADA, MARCO A JAMES R GLIDEWELL DENTAL CERAMICS, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0365780868 pdf
Aug 17 2015NEMAGRDI, VAHEH GOLESTANIANJAMES R GLIDEWELL DENTAL CERAMICS, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0365780868 pdf
Sep 01 2015MADANIPOUR, HOSSEINJAMES R GLIDEWELL DENTAL CERAMICS, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0365780868 pdf
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