Teacher's aid
Description
The broken line showing of a geometric object is for illustration purposes only and forms no part of the claimed design.
Claims
I claim the ornamental design for a teacher's aid, as shown and described.
Referenced Cited
U.S. Patent Documents
| D254793 | April 22, 1980 | Morey |
| D259866 | July 14, 1981 | Mortillaro |
| D286651 | November 11, 1986 | Morey |
| D292932 | November 24, 1987 | McGinley |
| D297437 | August 30, 1988 | Mortensen |
| D346136 | April 19, 1994 | Dollery |
| D377218 | January 7, 1997 | Cohen et al. |
| D412890 | August 17, 1999 | Nesenoff |
| D480425 | October 7, 2003 | Suchta |
| D512338 | December 6, 2005 | Hannon |
| D528162 | September 12, 2006 | Lucas |
| D531672 | November 7, 2006 | Hannon |
| D549780 | August 28, 2007 | Malik |
Patent History
Patent number: D566767
Type: Grant
Filed: Sep 14, 2005
Date of Patent: Apr 15, 2008
Inventor: Slobodan Urdarevik (Windsor Ontario)
Primary Examiner: Robert A. Delehanty
Assistant Examiner: Mark Cavanna
Attorney: Dickinson Wright PLLC
Application Number: 29/238,260
Type: Grant
Filed: Sep 14, 2005
Date of Patent: Apr 15, 2008
Inventor: Slobodan Urdarevik (Windsor Ontario)
Primary Examiner: Robert A. Delehanty
Assistant Examiner: Mark Cavanna
Attorney: Dickinson Wright PLLC
Application Number: 29/238,260
Classifications
Current U.S. Class:
Demonstrator Or Exhibitor (10) (D19/62)