Rotary dental brush
Description
FIG. 1 is a side elevational view of a rotary dental brush showing my new design, the opposite side being a mirror image;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof; and,
FIG. 5 is a rear elevational view thereof.
Referenced Cited
U.S. Patent Documents
D144163 | March 1946 | Dolnick |
D306925 | March 27, 1990 | Bell |
1225955 | May 1917 | Hickman |
1338821 | May 1920 | Eisner et al. |
1467874 | September 1923 | Muchow |
1893002 | January 1933 | Rothschild |
2220053 | October 1940 | Pruner |
2435421 | February 1948 | Blair |
2464321 | March 1949 | Konczal |
2653598 | September 1953 | Torino |
4296518 | October 27, 1981 | Furrier et al. |
4592109 | June 3, 1986 | Borea et al. |
Patent History
Patent number: D330287
Type: Grant
Filed: Feb 16, 1990
Date of Patent: Oct 20, 1992
Inventor: Thomas B. Wise (Bay City, MI)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Lavone D. Tabor
Law Firm: Learman & McCulloch
Application Number: 7/481,110
Type: Grant
Filed: Feb 16, 1990
Date of Patent: Oct 20, 1992
Inventor: Thomas B. Wise (Bay City, MI)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Lavone D. Tabor
Law Firm: Learman & McCulloch
Application Number: 7/481,110
Classifications
Current U.S. Class:
D/4109