Orthodontic bracket

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Description

FIG. 1 is a top, front and right side perspective view of an orthodontic bracket showing our new design as embodied in a lower bicuspid tooth bracket;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top, rear and left side perspective view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof, the left side being a mirror image of that shown;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a right side elevational view of an orthodontic bracket showing our new design as alternately embodied in a lower bicuspid tooth bracket, the only difference residing in the rear of the archwire slot;

FIG. 9 is a right side elevational view of an orthodontic bracket showing our new design as alternately embodied in a lower bicuspid tooth bracket, the only difference residing in the rear of the archwire slot;

FIG. 10 is a right side elevational view of an orthodontic bracket showing our new design as alternately embodied in a lower bicuspid tooth bracket, the only difference residing in the rear of the archwire slot;

FIG. 11 is a right side elevational view of an orthodontic bracket showing our new design as alternately embodied in a lower bicuspid tooth bracket, the only difference residing in the rear of the archwire slot;

FIG. 12 is a top, front and right side perspective view of an orthodontic bracket showing our new design as alternately embodied in a lower cuspid tooth bracket;

FIG. 13 is a front elevational view thereof;

FIG. 14 is a right side elevational view thereof, the left side being substantially a mirror image of that shown;

FIG. 15 is a bottom plan view thereof;

FIG. 16 is a top, front and right side perspective view of an orthodontic bracket showing our new design as alternately embodied in an upper cuspid tooth bracket;

FIG. 17 is a front elevational view thereof;

FIG. 18 is a right side elevational view thereof, the left side being substantially a mirror image of that shown; and

FIG. 19 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D289329 April 14, 1987 Evans
D290040 May 26, 1987 Kelly
D291919 September 15, 1987 Reynolds
3391461 July 1968 Johnson
4575337 March 11, 1986 Fujita
Patent History
Patent number: D315957
Type: Grant
Filed: Nov 13, 1989
Date of Patent: Apr 2, 1991
Assignee: Minnesota Mining and Manufacturing Company (St. Paul, MN)
Inventors: John S. Kelly (Arcadia, CA), Jerold S. Horn (Azusa, CA), Jirina V. Pospisil (Monrovia, CA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Attorneys: Donald M. Sell, Walter N. Kirn, James D. Christoff
Application Number: 7/434,496
Classifications
Current U.S. Class: D24/16