Manipulative learning device
Description
The portions of the manipulative learning device depicted in broken lines in
Claims
The ornamental design for a manipulative learning device, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
2728168 | December 1955 | Gier |
D247259 | February 14, 1978 | Yonezawa |
D254798 | April 22, 1980 | Johnstone |
D409037 | May 4, 1999 | Bear |
D413355 | August 31, 1999 | Cogliano |
D417476 | December 7, 1999 | Frederiksen et al. |
D427650 | July 4, 2000 | Cavellier |
D439624 | March 27, 2001 | Webb |
D492839 | July 13, 2004 | Mizrahi |
D501898 | February 15, 2005 | Rutherford et al. |
D505290 | May 24, 2005 | Bourget |
- Picture of Cootie Bug Game downloaded from Hasbro/Milton Bradley Games website: date of first publication unknown.
Patent History
Patent number: D562897
Type: Grant
Filed: Oct 18, 2006
Date of Patent: Feb 26, 2008
Assignee: Eyes for Learning, LLC (Northfield, IL)
Inventor: Bryan Ballinger (Huntington, IN)
Primary Examiner: Louis Zarfas
Assistant Examiner: Mark Cavanna
Attorney: Welsh & Katz, Ltd.
Application Number: 29/249,691
Type: Grant
Filed: Oct 18, 2006
Date of Patent: Feb 26, 2008
Assignee: Eyes for Learning, LLC (Northfield, IL)
Inventor: Bryan Ballinger (Huntington, IN)
Primary Examiner: Louis Zarfas
Assistant Examiner: Mark Cavanna
Attorney: Welsh & Katz, Ltd.
Application Number: 29/249,691
Classifications
Current U.S. Class:
Teaching Material (D19/59)