Patent
   D251014
Priority
Aug 13 1975
Filed
Aug 25 1976
Issued
Feb 06 1979
Expiry
Feb 06 1993
Assg.orig
Entity
unknown
1
4
n/a
The ornamental design for an urea nitrogen analyzer, as shown and described.

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.

Aul, Robert J., Breno, Philip J., Zitkus, Wayne J., Watson, Barry, Maguire, Paul R.

Patent Priority Assignee Title
D285114, May 26 1983 Miles Laboratories, Inc. Automated urinalysis instrument
Patent Priority Assignee Title
3770607,
3839154,
3920969,
234705,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 25 1976Owens-Illionis, Inc.(assignment on the face of the patent)
Dec 31 1987REVGROUP PANTRY MIRROR CORP Technicon Instruments CorporationMERGER SEE DOCUMENT FOR DETAILS 0049120740 pdf
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