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Patent
   D309867
Priority
Sep 16 1987
Filed
Sep 16 1987
Issued
Aug 14 1990
Expiry
Aug 14 2004
Inventors
Johnson, R…
Assg.orig
BECKMAN IN…
Assg.curr
Beckman In…
Entity
unknown
Referenced by
19
References
4
Maint.:
n/a
The ornamental design for a ph meter, as shown.

FIG. 1 is a top plan, front and left side perspective view of a pH meter showing my new design;

FIG. 2 is a bottom plan, rear, and right side perspective view; and

FIG. 3 is a top plan, front, and left side perspective view of another embodiment of FIGS. 1 and 2 thereof.
INVENTORS:

Johnson, Ronald C.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D363676, Oct 29 1993 Hach Company Laboratory nephelometer
D419468, Mar 03 1999 Fat gauge
D493738, Mar 06 2003 Horiba, Ltd. Indicator for water quality measuring instrument
D494079, Mar 06 2003 Horiba, Ltd. Indicator for water quality measuring instrument
D567125, Oct 31 2005 Nipro Corporation Stress meter
D584975, Jan 16 2008 Qiagen Lake Constance GmbH Analytical sample detection device
D608010, Dec 18 2008 Unetixs Vascular, Inc. Manifold for vascular testing device
D611372, Sep 19 2008 Cilag GmbH International; Lifescan IP Holdings, LLC Analyte test meter
D611489, Jul 25 2008 Cilag GmbH International; Lifescan IP Holdings, LLC User interface display for a glucose meter
D611853, Mar 21 2008 Cilag GmbH International; Lifescan IP Holdings, LLC Analyte test meter
D612275, Mar 21 2008 Cilag GmbH International; Lifescan IP Holdings, LLC Analyte test meter
D615431, Mar 21 2008 Cilag GmbH International; Lifescan IP Holdings, LLC Analyte test meter
D616768, Mar 30 2004 Church of Spiritual Technology Device for indicating changes in a physiological parameters of a living body
D649074, Mar 30 2004 Church of Spiritual Technology Cover for an electric device
D664870, Mar 30 2004 Church of Spiritual Technology Cover for an electric device
D748814, Apr 04 2014 OHAUS INSTRUMENTS SHANGHAI CO , LTD Laboratory analyzer
D749969, Feb 19 2014 ATAGO CO., LTD. Polarimeter and refractometer
D750517, Feb 19 2014 ATAGO CO., LTD. Part of a polarimeter and refractometer
D839108, May 31 2017 Intel Corporation Portable electronic measurement device
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
3294662,
4154659, Aug 30 1977 Delphian Corporation Sulfide monitoring system and method
4461998, Oct 02 1981 Eli Lilly and Company Ion selective measurements
4490235, Jul 13 1981 IL HOLDING S P A Electrochemical cell provided with selective electrodes and at least one chemical reactor, for indirect measurement of clinical-chemical parameters
ASSIGNMENT RECORDS    Assignment records on the USPTO
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 15 1987JOHNSON, RONALD C BECKMAN INSTRUMENTS, INC , A CORP OF CA ASSIGNMENT OF ASSIGNORS INTEREST 0048030177 pdf
Sep 16 1987Beckman Instruments, Inc.(assignment on the face of the patent)
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