Patent
   D317879
Priority
Jan 09 1989
Filed
May 08 1989
Issued
Jul 02 1991
Expiry
Jul 02 2005
Assg.orig
Entity
unknown
0
5
n/a
The ornamental design for a ruler, as shown and described.

FIG. 1 is a top plan view of a ruler showing my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a rear elevational view;

FIG. 4 is a bottom plan view;

FIG. 5 is a right side elevational view;

FIG. 6 is another right side elevational view, with the upper housing tilted towards the rear;

FIG. 7 is another right side elevational view, with the upper housing tilted towards the front;

FIG. 8 is a left side elevational view;

FIG. 9 is another left side elevational view, with the upper housing tilted towards the front; and

FIG. 10 is another left side elevational view thereof, with the upper housing tilted towards the rear.

Hoelterscheidt, Siegfried

Patent Priority Assignee Title
Patent Priority Assignee Title
1980884,
2331298,
3118233,
4586265, Oct 29 1984 HOPKINS, WILLIAM GEORGE Perspective drawing apparatus
D277365, Jun 23 1982 Proportional plotting device
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 16 1989HOELTERSCHEIDT, SIEGFRIEDWalter Henkels GmbHASSIGNMENT OF ASSIGNORS INTEREST 0051230603 pdf
May 08 1989Walter Henkels GmbH(assignment on the face of the patent)
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