Orthodontic bracket

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Description

FIG. 1 is a top, front and left side perspective view of an orthodontic bracket showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side elevational view thereof, the right side being a mirror image;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is a botom plan view thereof.

Referenced Cited
U.S. Patent Documents
D304077 October 17, 1989 Pospisil
4193195 March 18, 1980 Merkel et al.
4498867 February 12, 1985 Kesling
4545760 October 8, 1985 Forster
4661059 April 28, 1987 Kanno
4819316 April 11, 1989 Rossini et al.
4820151 April 11, 1989 Pospisil
4838786 June 13, 1989 Reher et al.
4927360 May 22, 1990 Pospisil
Other references
  • Pp. 3-7, Unitek/3M catalog, 1990. Drawings marked "A" and "B" of commercially available products. Ortho Organizers, Inc. advertisement "Journal of Clinical Orthodontics", Sep. 1989.
Patent History
Patent number: D331975
Type: Grant
Filed: Nov 2, 1990
Date of Patent: Dec 22, 1992
Assignee: Minnesota Mining and Manufacturing Company (St. Paul, MN)
Inventor: Jirina V. Pospisil (Monrovia, CA)
Primary Examiner: Susan J. Lucas
Assistant Examiner: M. H. Tung
Attorneys: Gary L. Griswold, Walter N. Kirn, James D. Christoff
Application Number: 7/608,651
Classifications
Current U.S. Class: Orthodontic Appliance (D24/180)