Dental aspirator and tongue deflector
FIG. 1 is a perspective view of the dental aspirator and tongue deflector of the present invention as seen from the right rear in relation use in a patient's mouth;
FIG. 2 is a side view in elevation of the dental aspirator and tongue deflector of the present invention as seen from the left hand side of FIG. 1;
FIG. 3 is a plan view of the dental aspirator and tongue deflector of FIG. 1;
FIG. 4 is a rear view of the dental aspirator and tongue deflector of FIG. 1;
FIG. 5 is a side view in elevation of the dental aspirator and tongue deflector of the present invention as seen from the right hand side of FIG. 1;
FIG. 6 is a bottom view of the dental aspirator and tongue deflector of FIG. 1; and,
FIG. 7 is a front view of the dental aspirator and tongue deflector of FIG. 1.
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| 1067571 | July 1913 | Abbott |
| 1152122 | August 1915 | Samphere |
| 1516933 | November 1924 | Terranova |
| 2671269 | March 1954 | Francis |
| 2731722 | January 1956 | Wilen |
| 2924013 | February 1960 | Wowra |
| 3090122 | May 1963 | Erickson |
| 3512258 | May 1970 | Johnson |
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| 3924333 | December 1975 | Erickson |
| 4024642 | May 24, 1977 | Zorovich |
| 4701128 | October 20, 1987 | Fitzig et al. |
| 4975057 | December 4, 1990 | Dyfvermark |
| 5232362 | August 3, 1993 | Kanas |
| 5306148 | April 26, 1994 | Nakamura |
- Advertisement by Future Dentistry Inc. for Aspirating Device published in Dental Products Report, Nov. 1992.
Type: Grant
Filed: Apr 15, 1994
Date of Patent: May 30, 1995
Inventor: David C. Kanas (Gold River, CA)
Primary Examiner: Kay H. Chin
Attorney: John P. O'Banion
Application Number: 0/21,481
