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
Other references
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 |
- 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
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