Dental scaler for removing plaque and tartar
Description
FIG. 1 is a front elevational view of a dental scaler for removing plaque and tartar showing my new design;
FIG. 2 is a rear elevational view thereof; and,
FIG. 3 is a top plan view thereof.
Referenced Cited
U.S. Patent Documents
D32484 | April 1900 | Bowles |
D34272 | March 1901 | Hoffman |
1683410 | September 1928 | Rancourt |
1728956 | September 1929 | Darmitzel |
3516106 | June 1970 | Roefaro |
4570653 | February 18, 1986 | Wolf |
Patent History
Patent number: D300242
Type: Grant
Filed: Mar 28, 1988
Date of Patent: Mar 14, 1989
Inventor: Donna J. Coulson (Lakewood, CO)
Primary Examiner: Wallace R. Burke
Attorney: Donna J. Coulson
Application Number: 7/174,618
Type: Grant
Filed: Mar 28, 1988
Date of Patent: Mar 14, 1989
Inventor: Donna J. Coulson (Lakewood, CO)
Primary Examiner: Wallace R. Burke
Attorney: Donna J. Coulson
Application Number: 7/174,618
Classifications
Current U.S. Class:
D24/10