Disposable saliva ejector valve

- Vision Medical & Dental

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Description

FIG. 1 is a top, front and left side perspective view of a disposable saliva ejector valve showing our design and connected to a mouth piece shown in broken lines;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof and a mirror image of the right side view;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof, and,

FIG. 6 is a top plan view thereof.

The broken lines shown in FIGS. 1 through 4 are for illustative purposes only and form no part of the claimed design.

Referenced Cited
U.S. Patent Documents
3208145 September 1965 Turner
4083115 April 11, 1978 McKelvey
4260378 April 7, 1981 O'Neil
Patent History
Patent number: D357064
Type: Grant
Filed: Dec 20, 1993
Date of Patent: Apr 4, 1995
Assignee: Vision Medical & Dental (Ben Lomond, CA)
Inventors: Bruce K. Bartlett (Santa Cruz, CA), Lars E. Callne (Los Gatos, CA)
Primary Examiner: Kay H. Chin
Attorney: Thomas E. Schatzel
Application Number: 0/16,604