Saliva evacuator

Description

FIG. 1 is a front perspective view of a saliva evacuator showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof, the side opposite being substantially a mirror image; and

FIG. 4 is a rear elevational view thereof.

Referenced Cited
U.S. Patent Documents
D239116 March 1976 Johnson
3319628 May 1967 Halligan
3333340 August 1967 Boisvert
3742607 July 1973 Johnson
3768477 October 1973 Anders et al.
3864831 February 1975 Drake
Patent History
Patent number: D277604
Type: Grant
Filed: Sep 1, 1982
Date of Patent: Feb 12, 1985
Inventors: Gerald W. Keresztes (South Bend, IN), Katherine D. Wade (Niles, MI)
Primary Examiner: Catherine E. Kemper
Attorney: James D. Hall
Application Number: 6/413,964
Classifications
Current U.S. Class: D24/10