Orthodontic appliance

Description

FIG. 1 is a perspective view of an orthodontic appliance, showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a rear elevational view thereof;

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

FIG. 5 is a bottom plan view thereof; and

FIG. 6 is a front elevational view thereof.

Referenced Cited
U.S. Patent Documents
3205577 September 1965 Linde
3219033 November 1965 Wallshein
3230621 January 1966 Lindquist et al.
Foreign Patent Documents
1330989 September 1973 GBX
Other references
  • Professional Positioners brochure (1979) Acrylic Retainer "Upper Hawley". TP Laboratories, Inc. brochure (Aug. 1984) Spring Aligner (4).
Patent History
Patent number: D290502
Type: Grant
Filed: Jul 31, 1985
Date of Patent: Jun 23, 1987
Inventors: Jack M. Lynn (Donnelsville, PA), John A. Collins, Jr. (South Bend, IN)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Attorney: Thomas J. Dodd
Application Number: 6/760,840
Classifications
Current U.S. Class: D24/10