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Patent
D861174
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Priority
Aug 25 2017
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Filed
Dec 20 2018
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Issued
Sep 24 2019
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Expiry
Sep 24 2034
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Assg.orig
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Entity
unknown
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2
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17
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n/a
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The ornamental design for a dental matrix device, as shown and described.
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FIG. 1 is an upper perspective view of an embodiment of a dental matrix device;
FIG. 2 is a lower perspective view of the dental matrix device of FIG. 1;
FIG. 3 is a rear view of the dental matrix device of FIG. 1;
FIG. 4 is a front view of the dental matrix device of FIG. 1;
FIG. 5 is a right side view of the dental matrix device of FIG. 1;
FIG. 6 is a left side view of the dental matrix device of FIG. 1; and,
FIG. 7 is a top view of the dental matrix device of FIG. 1, which is identical to a bottom view of the dental matrix device of FIG. 1.
In the drawings, the broken lines depict environmental subject matter only and form no part of the claimed design.
McLean, Bruce S., Webster, Thomas John, Smith, Wade Robert Michael
Patent |
Priority |
Assignee |
Title |
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2439703, |
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BUSINESS DEVELOPMENT BANK OF CANADA, A CANADIAN LEGAL PERSON; LAWRENCE & COMPANY INC , A CANADIAN LEGAL PERSON; FONDS DE SOLIDARITE DES TRAVAILLEURS DU QUEBEC, THE, A CANADIAN LEGAL PERSON |
Disposable dental matrix retainer clamp |
5342197, |
Jan 19 1994 |
BUSINESS DEVELOPMENT BANK OF CANADA, A CANADIAN LEGAL PERSON; LAWRENCE & COMPANY INC , A CANADIAN LEGAL PERSON; FONDS DE SOLIDARITE DES TRAVAILLEURS DU QUEBEC, THE, A CANADIAN LEGAL PERSON |
Dental matrix retainer clamp |
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Dual matrix band retainer |
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Ultradent Products, Inc. |
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Dental matrix clamp |
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Date |
Maintenance Fee Events |
n/a
Date |
Maintenance Schedule |
n/a