Patent
   D285485
Priority
Nov 25 1983
Filed
Nov 25 1983
Issued
Sep 02 1986
Expiry
Sep 02 2000
Assg.orig
Entity
unknown
4
5
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The ornamental design for a refractometer, as shown and described.

FIG. 1 is a rear perspective view of a refractometer showing my new design;

FIG. 2 is a front left top perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side elevational view thereof, the right side being identical.

Kahute, Robert M.

Patent Priority Assignee Title
D296004, Nov 21 1985 CAMBRIDGE INSTRUMENTS INC , A DE CORP Refractometer
D316144, Feb 12 1988 Canon Kabushiki Kaisha Refractometer
D327024, Dec 29 1989 Essilor International (Compagnie Generale d'Optique) Refractometer
D457962, Nov 08 2001 REICHERT, INC Automatic refractometer
Patent Priority Assignee Title
211574,
211634,
226340,
D255783, Dec 21 1977 Letter bomb detector
D278041, Oct 22 1982 TII Electronics, Inc. Electronic tester or the like
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 25 1983Warner-Lambert Technologies, Inc.(assignment on the face of the patent)
Jan 30 1984KAHUTE, ROBERT M WARNER LAMBERT TECHNOLOGIES, INC ASSIGNMENT OF ASSIGNORS INTEREST 0042240153 pdf
Apr 07 1988WARNER LAMBERT TECHNOLOGIES, INC CAMBRIDGE INSTRUMENTS INC , A DE CORP ASSIGNMENT OF ASSIGNORS INTEREST 0048930097 pdf
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