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
Foreign 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 |
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
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