Patent
   D290820
Priority
Aug 20 1984
Filed
Aug 20 1984
Issued
Jul 14 1987
Expiry
Jul 14 2001
Assg.orig
Entity
unknown
10
11
n/a
The ornamental design for a portable water quality tester, as shown and described.

FIG. 1 is a perspective view of a portable water quality tester showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof, the right side being a mirror image thereto;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof.

Slovak, Jack P.

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Patent Priority Assignee Title
3829776,
4259635, Jun 08 1979 Electrical continuity and voltage testing device having a pair of probes spaced for insertion into an electrical socket
181743,
222138,
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D261871, Aug 06 1979 Raycal Corporation Salinity tester
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jul 16 1984SLOVAK, JACK P PRO WATER, INC , A CA CORPASSIGNMENT OF ASSIGNORS INTEREST 0043300141 pdf
Aug 20 1984Pro Water Systems, Inc.(assignment on the face of the patent)
Aug 09 1996Cuno IncorporatedMELLON BANK, N A SECURITY AGREEMENT0083760272 pdf
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