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Patent
   D261368
Priority
Dec 03 1979
Filed
Dec 03 1979
Issued
Oct 20 1981
Expiry
Oct 20 1995
Inventors
Barreca, J…
Assg.orig
McGraw-Hil…
Assg.curr
McGraw-Hil…
Entity
unknown
Referenced by
4
References
4
Maint.:
n/a
The ornamental design for a drawing instrument, as shown and described.

The FIGURE is a top plan view of a drawing instrument showing my new design, the bottom, not shown, is plain and unornamented.
INVENTORS:

Barreca, Joseph E.

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
D266820, Dec 15 1980 EAST HAMPTON INDUSTRIES INC P O BOX EEEE EAST HAPTON N Y 11937 A CORP OF Spaghetti measuring device
D603658, Apr 11 2008 Combination coaster and ring sizer
D674247, Nov 11 2011 Combination coaster and ring sizer
D697436, Aug 24 2012 Protractor
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
116007,
116008,
141882,
204017,
ASSIGNMENT RECORDS    Assignment records on the USPTO
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 03 1979McGraw-Hill, Inc.(assignment on the face of the patent)
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
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