Alcohol breath simulator for testing the accuracy of breath testers

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Description

FIG. 1 is a perspective view of an alcohol breath simulator for testing the accuracy of breath testers showing our new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a further side elevational view looking from the right side of the device as shown in FIG. 2;

FIG. 5 is a side elevational view looking from the side opposite that shown in FIG. 2; and

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
3822117 July 1974 Bergh et al.
3854319 December 1974 Burroughs et al.
3948604 April 6, 1976 Hoppesch
3951855 April 20, 1976 Principe et al.
Patent History
Patent number: D291355
Type: Grant
Filed: Feb 19, 1985
Date of Patent: Aug 11, 1987
Assignee: Federal Signal Corporation (Oak Brook, IL)
Inventors: Edward S. Stanuch (Oak Forest, IL), Sigmund S. Urbanski (Alsip, IL)
Primary Examiner: A. Hugo Word
Assistant Examiner: Stella Reid
Attorney: Charles F. Pigott, Jr.
Application Number: 6/702,689
Classifications
Current U.S. Class: D24/17; Chemical (12) (D10/81)