Teaching aid
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Description
FIG. 1 is a front view of a teaching aid broken away to indicate indeterminate length showing my new design;
FIG. 2 is a rear view broken away to indicate indeterminate length thereof;
FIG. 3 is a left side view broken away to indicate indeterminate length with the right side view being a mirror image thereof;
FIG. 4 is a top view of a teaching aid; and,
FIG. 5 is a bottom view thereof.
Claims
The ornamental design for teaching aid, as shown and described.
Referenced Cited
U.S. Patent Documents
D265100 | June 22, 1982 | Oettinger |
D332803 | January 26, 1993 | Forslund |
D347024 | May 17, 1994 | Rabus |
D355216 | February 7, 1995 | Grant |
D415206 | October 12, 1999 | Gaines |
D432174 | October 17, 2000 | Stevens et al. |
D461205 | August 6, 2002 | Murray |
D468441 | January 7, 2003 | Pham |
D480754 | October 14, 2003 | Berger |
D486183 | February 3, 2004 | DeMaison |
D498792 | November 23, 2004 | Toniolo |
Patent History
Patent number: D538855
Type: Grant
Filed: Jan 19, 2005
Date of Patent: Mar 20, 2007
Assignee: Hinkler Books Pty Ltd. (Dingley)
Inventor: Stephen D. Ungar (Toorak)
Primary Examiner: Robert A. Delehanty
Assistant Examiner: Mark Cavanna
Attorney: Bell, Boyd & Lloyd LLC
Application Number: 29/221,733
Type: Grant
Filed: Jan 19, 2005
Date of Patent: Mar 20, 2007
Assignee: Hinkler Books Pty Ltd. (Dingley)
Inventor: Stephen D. Ungar (Toorak)
Primary Examiner: Robert A. Delehanty
Assistant Examiner: Mark Cavanna
Attorney: Bell, Boyd & Lloyd LLC
Application Number: 29/221,733
Classifications
Current U.S. Class:
Teaching Material (D19/59)