Periodontal instrument
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Description
FIG. 1 is a side elevational view of a periodontal instrument showing our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a side elevational view of a second embodiment thereof;
FIG. 6 is a front elevational view thereof;
FIG. 7 is a bottom plan view thereof;
FIG. 8 is a rear elevational view of the first embodiment thereof; and,
FIG. 9 is a rear elevational view of a second embodiment thereof.
The top plan view of the second embodiment is identical to the top plan view of the original embodiment as shown in FIG. 4.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
D322314 | December 10, 1991 | Ohbayashi |
3164153 | January 1965 | Zorzi |
3490657 | January 1970 | Williams et al. |
3561433 | February 1971 | Kovach |
3757419 | September 1973 | Hopkins |
3841311 | October 1974 | Brown |
4219619 | August 26, 1980 | Zarow |
4411623 | October 25, 1983 | Axelsson |
4880382 | November 14, 1989 | Moret et al. |
4941459 | July 17, 1990 | Mathur |
4958751 | September 25, 1990 | Curtis et al. |
1319051 | April 1962 | FRX |
Patent History
Patent number: D340521
Type: Grant
Filed: Apr 9, 1990
Date of Patent: Oct 19, 1993
Assignee: Colgate-Palmolive Company (New York, NY)
Inventors: Bert D. Heinzelman (Tenafly, NJ), Paul D. Cesare (Norwalk, CT)
Primary Examiner: Wallace R. Burke
Assistant Examiner: M. H. Tung
Attorneys: Michael J. McGreal, Robert C. Sullivan
Application Number: 7/507,056
Type: Grant
Filed: Apr 9, 1990
Date of Patent: Oct 19, 1993
Assignee: Colgate-Palmolive Company (New York, NY)
Inventors: Bert D. Heinzelman (Tenafly, NJ), Paul D. Cesare (Norwalk, CT)
Primary Examiner: Wallace R. Burke
Assistant Examiner: M. H. Tung
Attorneys: Michael J. McGreal, Robert C. Sullivan
Application Number: 7/507,056
Classifications