Combined bird beak expander and shield therefor

Description

FIG. 1 is a front elevational view of a combined bird beak expander and shield therefor showing my new design;

FIG. 2 is an edge elevational view thereof, the opposite edge being substantially similar in appearance;

FIG. 3 is a top plan view thereof;

FIG. 4 is a perspective view of the shield portion thereof, with the expander portion omitted for clarity of illustration; and

FIG. 5 is a rear elevational view of FIG. 1.

Referenced Cited
U.S. Patent Documents
D229724 December 1973 Ericson
D273326 April 3, 1984 Peterson et al.
1359164 November 1920 Lo Guidice et al.
1506032 August 1924 Stevens
2583892 January 1952 Shellhouse
Other references
  • Henry Schein 1982 Dental catalogue (112th ed.), p. 146, Hu-Friedy Molt Mouth Gags.
Patent History
Patent number: D289573
Type: Grant
Filed: Jan 13, 1984
Date of Patent: Apr 28, 1987
Inventor: Bernard A. Lizotte (San Leandro, CA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Attorney: Linval B. Castle
Application Number: 6/570,390
Classifications
Current U.S. Class: D30/33