Patent
   D242793
Priority
Jan 28 1975
Filed
Jan 28 1975
Issued
Dec 21 1976
Expiry
Dec 21 1990
Assg.orig
Entity
unknown
2
1
n/a
The ornamental design of an educational aide for teaching physical properties of light, substantially as shown and described.

FIG. 1 is a perspective view of the educational aide for teaching physical properties of light showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front plan view thereof;

FIG. 4 is a side plan view thereof;

FIG. 5 is a rear plan view thereof; and

FIG. 6 is a bottom plan view thereof.

Kane, Michael J.

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Patent Priority Assignee Title
2155114,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 28 1975Xerox Corporation(assignment on the face of the patent)
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