Orthodontic bracket base
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FIG. 1 is a top, front, right perspective view of an orthodontic bracket base showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a right side elevational view thereof, the left side being a mirror image; and,
FIG. 4 is a front elevational view thereof.
The orthodontic bracket base which is partially shown is repeated throughout the base area.
The broken line drawing of an orthodontic bracket is for illustrative purposes only and forms no part of the claimed design.
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- TP laboratories, Inc. Mesh and bonding bases, pp. 5 and 10, 1984. Brochure from Ortho Organizers. Advertisement from Journal of Clinical Orthodontics, Sep. 1989 (vol. 23, No. 9). British Journal of Orthodontics (BJO) May, 1990, vol. 17, No. 2, pp. 141-144.
Filed: Dec 28, 1990
Date of Patent: Oct 19, 1993
Assignee: Minnesota Mining and Manufacturing Company (St. Paul, MN)
Inventor: Conrad A. Barngrover (San Dimas, CA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: M. H. Tung
Attorneys: Gary L. Griswold, Walter N. Kirn, James D. Christoff
Application Number: 7/635,331