Expandable strip of teaching-aid
Latest Youth Toy Enterprise Co., Ltd. Patents:
Description
Claims
The ornamental design for a “an expandable strip of teaching-aid,” as shown and described.
Referenced Cited
U.S. Patent Documents
D246441 | November 22, 1977 | Bergendorff |
D278068 | March 19, 1985 | Sager |
D293086 | December 8, 1987 | LeMarie |
D314712 | February 19, 1991 | Kunz |
D339376 | September 14, 1993 | Abe |
D376618 | December 17, 1996 | Hix |
D406538 | March 9, 1999 | Cornell et al. |
D426851 | June 20, 2000 | Carroll |
D457052 | May 14, 2002 | Snyder |
D480109 | September 30, 2003 | Jeffirs et al. |
D481071 | October 21, 2003 | Jeffirs et al. |
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D558849 | January 1, 2008 | Taira et al. |
Patent History
Patent number: D585940
Type: Grant
Filed: Jun 19, 2008
Date of Patent: Feb 3, 2009
Assignee: Youth Toy Enterprise Co., Ltd. (Taipei County)
Inventor: Wen-Yuan Lin (Taipei County)
Primary Examiner: Robert A. Delehanty
Assistant Examiner: Mark Cavanna
Attorney: WPAT, P.C.
Application Number: 29/320,089
Type: Grant
Filed: Jun 19, 2008
Date of Patent: Feb 3, 2009
Assignee: Youth Toy Enterprise Co., Ltd. (Taipei County)
Inventor: Wen-Yuan Lin (Taipei County)
Primary Examiner: Robert A. Delehanty
Assistant Examiner: Mark Cavanna
Attorney: WPAT, P.C.
Application Number: 29/320,089
Classifications
Current U.S. Class:
Demonstrator Or Exhibitor (10) (D19/62)