Patent
   D302566
Priority
May 30 1986
Filed
May 30 1986
Issued
Aug 01 1989
Expiry
Aug 01 2003
Assg.orig
Entity
unknown
2
5
n/a
The ornamental design for a teaching tool, as shown and described.

FIG. 1 is a front elevational view of a teaching tool showing my new design;

FIG. 2 is a right side elevational view;

FIG. 3 is a left side elevational view;

FIG. 4 is a rear elevational view;

FIG. 5 is a top plan view;

FIG. 6 is a bottom plan view;

FIG. 7 is a vertical cross-sectional view taken on lines 7--7 of FIG. 1; and

FIG. 8 is a front perspective view thereof.

Wolf, Gilbert A.

Patent Priority Assignee Title
D541345, Sep 07 2006 Ho-Chia, Chueh Set of fraction cards
D969209, Aug 25 2021 Educational poster
Patent Priority Assignee Title
2663096,
3171217,
168834,
D295291, Apr 22 1985 Educational toy
DE865829,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
May 23 1986WOLF, GILBERT A WHW CONSTRUCTION, INC ASSIGNMENT OF ASSIGNORS INTEREST 0050770880 pdf
May 30 1986WHW Construction, Inc.(assignment on the face of the patent)
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