Tooth crown remover

Description

FIG. 1 is a side elevational view of a tooth crown remover showing my new design, which is symetrical about its longitudinal axis;

FIG. 2 is a top end view thereof; and,

FIG. 3 is a bottom end view thereof.

Referenced Cited
U.S. Patent Documents
571176 November 1896 Stockton
2776490 January 1957 Carfagni
3254412 June 1966 Armao
3377704 April 1968 Brodie et al.
3686756 August 1972 Pankratz
4300885 November 17, 1981 Khait
Foreign Patent Documents
2743067 March 1979 DEX
2820591 November 1979 DEX
Patent History
Patent number: D281531
Type: Grant
Filed: Feb 22, 1983
Date of Patent: Nov 26, 1985
Inventor: William H. Harris (Oklahoma City, OK)
Primary Examiner: Catherine E. Kemper
Attorney: Robert K. Rhea
Application Number: 6/468,813
Classifications
Current U.S. Class: D24/10