Orthodontic appliance

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Description

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

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom 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;

FIG. 6 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D290503 June 23, 1987 Collins, Jr.
D290504 June 23, 1987 Collins, Jr.
3230621 January 1966 Lindquist et al.
4255138 March 10, 1981 Frohn
Other references
  • American Journal of Orthodontics, Feb. 1956, vol. 42, #2, p. 87.
Patent History
Patent number: D311442
Type: Grant
Filed: Jan 4, 1988
Date of Patent: Oct 16, 1990
Inventor: John A. Collins, Jr. (South Bend, IN)
Primary Examiner: Susan J. Lucas
Assistant Examiner: M. H. Tung
Attorney: Thomas J. Dodd
Application Number: 7/140,324
Classifications
Current U.S. Class: D24/16