Orthodontic appliance

Description

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

FIG. 2 is a right side elevational view thereof, with the left side being substantially a mirror image;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan thereof;

FIG. 5 is a front elevational view thereof; and

FIG. 6 is a rear 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: D290505
Type: Grant
Filed: May 21, 1986
Date of Patent: Jun 23, 1987
Inventor: John A. Collins, Jr. (South Bend, IN)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Attorney: Thomas J. Dodd
Application Number: 6/866,086
Classifications
Current U.S. Class: D24/10