Urea nitrogen analyzer

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Description

FIG. 1 is a front perspective of a urea nitrogen analyzer, showing our new design;

FIG. 2 is a front elevation thereof;

FIG. 3 is a side elevation as seen from the left of FIG. 1;

FIG. 4 is an elevation as seen from the side opposite of FIG. 3;

FIG. 5 is a top plan view;

FIG. 6 is a rear elevation thereof; and

FIG. 7 is a view similar to FIG. 1 of an alternative embodiment of our new design depicted with transparent containers.

Referenced Cited
U.S. Patent Documents
D234705 April 1975 Gomes et al.
3770607 November 1973 Williams
3839154 October 1974 Messing
3920969 November 1975 Berglas
Patent History
Patent number: D251014
Type: Grant
Filed: Aug 25, 1976
Date of Patent: Feb 6, 1979
Assignee: Owens-Illionis, Inc. (Toledo, OH)
Inventors: Robert J. Aul (Perrysburg, OH), Philip J. Breno (Oregon, OH), Wayne J. Zitkus (Toledo, OH), Barry Watson (Toledo, OH), Paul R. Maguire (Los Angeles, CA)
Primary Examiner: Bernard Ansher
Attorney: Richard B. Dence
Application Number: 5/717,776
Classifications
Current U.S. Class: D24/21
International Classification: D2401;