Patent
   D402768
Priority
Feb 05 1997
Filed
Feb 05 1997
Issued
Dec 15 1998
Expiry
Dec 15 2012
Assg.orig
Entity
unknown
7
8
n/a
The ornamental design for a turbidimeter, as shown.

FIG. 1 is a front perspective view of the turbidimeter, showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is a right side elevational view thereof.

Stream, Robert D., Paoli, Ernie R.

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Patent Priority Assignee Title
3564262,
3800147,
4152070, Feb 04 1977 ROSEMOUNT ANALYTICAL INC , A CORP OF DE Turbidimeter
4320978, Dec 12 1978 MITSUBISHI CHEMICAL INDUSTRIES LIMITED, A JAPANESE CORP Integration sphere type turbidimeter
4348112, Jul 13 1979 O T V OMNIUM DE TRAITEMENT ET DE VALORISATION Method of and apparatus for measuring the volume of material in suspension in a liquid
4841157, Jan 06 1988 CAMPBELL SCIENTIFIC, INC Optical backscatter turbidimeter sensor
5059811, Aug 30 1990 Hach Company Turbidimeter having a baffle assembly for removing entrained gas
5104228, Sep 20 1990 Atlantic Richfield Company Photosensitive turbidimeter with nonfouling measurement chamber
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 28 1997PAOLI, ERNIE R Hach CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0084580610 pdf
Jan 28 1997STREAM, ROBERT D Hach CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0084580610 pdf
Feb 05 1997Hach Company(assignment on the face of the patent)
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