Patent
   D390663
Priority
Oct 17 1996
Filed
Mar 03 1997
Issued
Feb 10 1998
Expiry
Feb 10 2012
Assg.orig
Entity
unknown
12
5
n/a
The ornamental described design for a keratometer, as shown and described.

FIG. 1 is a front elevational view of a keratometer showing our new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view showing the front and left side thereof; and,

FIG. 8 is a perspective view showing the rear and left side thereof.

Wolf, Theodor, Bussacker, Hilmar

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Patent Priority Assignee Title
3972602, Aug 01 1974 FRIGITRONICS, INC , 770 RIVER ROAD, SHELTON, CONNECTICUT 06484, A DE CORP Auxiliary lens holder device for use with a keratometer
4407572, Jun 12 1980 Allergan Humphrey Keratometer
4429960, Oct 31 1980 Innomed Corporation; INNOMED CORPORATION, CORP OF CA Keratometric device
D293818, Sep 30 1985 CAMBRIDGE INSTRUMENTS INC , A DE CORP Keratometer or the like
D299745, Apr 08 1986 Canon Kabushiki Kaisha Keratometer
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 30 1997BUSSACKER, HILMARHaag-Streit AGASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0084580748 pdf
Feb 03 1997WOLF, THEODORHaag-Streit AGASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0084580748 pdf
Mar 03 1997Haag-Streit AG(assignment on the face of the patent)
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