Combined conductivity monitor and controller Patent Grant Berry, Jr. December 6, 1 [Darco Water Systems, Inc.]

Combined conductivity monitor and controller

Berry, Jr. December 6, 1

Patent Grant D271684

U.S. patent number D271,684 [Application Number 06/128,634] was granted by the patent office on 1983-12-06 for combined conductivity monitor and controller. This patent grant is currently assigned to Darco Water Systems, Inc.. Invention is credited to William J. Berry, Jr..

United States Patent	D271,684
Berry, Jr.	December 6, 1983

Combined conductivity monitor and controller

Claims

The ornamental design for a combined conductivity monitor and controller, as shown.

Inventors:	Berry, Jr.; William J. (Durham, NC)
Assignee:	Darco Water Systems, Inc. (Durham, NC)
Appl. No.:	06/128,634
Filed:	March 10, 1980

Current U.S. Class:	D13/137.4; D13/123
Current International Class:	D1303
Field of Search:	;D13/11,12,40,29,30,41,24 ;361/52,56,57,118 ;337/197,198 ;D10/49,75 ;324/439,444

References Cited [Referenced By]

U.S. Patent Documents


3371302	February 1968	Mas
3452252	June 1969	Mapham
3535667	October 1970	Harnish, Jr. et al.
3634804	January 1972	Mineo
4075676	February 1978	Phillips, Jr.

Other References

Industrial Instruments Inc. Electrolytic Conductivity Equipment Cat. #27, 1963, p. 17, RGC-11-Conductivity Controller..

Primary Examiner: Lucas; Susan J.

Description

FIG. 1 is a perspective view of a combined conductivity monitor and controller embodying my design;

FIG. 2 is a front view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof; and

FIG. 6 is a bottom view thereof.

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