Patent
   D325782
Priority
Jan 13 1989
Filed
Jun 23 1989
Issued
Apr 28 1992
Expiry
Apr 28 2006
Assg.orig
Entity
unknown
8
6
n/a
The ornamental design for a lens testing instrument, as shown and described.

FIG. 1 is a right side elevational view showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a front and side perspective view thereof.

Elie, Francois

Patent Priority Assignee Title
D341541, Oct 23 1991 Canon Kabushiki Kaisha Automatic eye-refraction measuring apparatus with spectacle lens measuring apparatus
D383144, Mar 23 1995 ESSILOR INTERNATIONAL COMPAGNIE GENERALE D OPTIQUE Frame tracer and centering device in particular for ophthalmic lenses
D427530, Oct 27 1999 REICHERT, INC Refractometer
D608810, Jul 15 2008 NT-MDT SERVICE & LOGISTICS LTD Microscope
D748268, Sep 06 2013 ESSILOR INTERNATIONAL COMPAGNIE GENERALE D OPTIQUE Tracer-centrer-blocker for ophthalmic lenses and spectacle frames
D799046, Jun 19 2015 Apparatus with equipment for analyzing the eyes
D872154, Feb 27 2018 Becton, Dickinson and Company Optical analysis system
D872155, Feb 27 2018 Becton, Dickinson and Company Optical analysis system
Patent Priority Assignee Title
2640392,
2683392,
3002285,
150412,
D246987, Dec 22 1975 CAMBRIDGE INSTRUMENTS INC , A DE CORP Lens measuring instrument
D253909, Jul 08 1977 CAMBRIDGE INSTRUMENTS INC , A DE CORP Refractometer
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 10 1989ELIE, FRANCOISESSILOR INTERNATIONAL COMPAGNIE GENERAL D OPTIQUE , A FRENCH JOINT STOCK COMPANYASSIGNMENT OF ASSIGNORS INTEREST 0050960038 pdf
Jun 23 1989Essilor International (Compagnie General d'optique)(assignment on the face of the patent)
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