Interactive learning pen
Latest Leapfrog Enterprises, Inc. Patents:
Description
Claims
I claim the ornamental design for an interactive learning pen, as shown and described.
Referenced Cited
U.S. Patent Documents
D330707 | November 3, 1992 | Whitaker |
D349490 | August 9, 1994 | Barrett |
D439336 | March 20, 2001 | Najmi |
D446512 | August 14, 2001 | Lee |
D453753 | February 19, 2002 | Ahn |
D492664 | July 6, 2004 | Christianson |
D498790 | November 23, 2004 | Shova et al. |
D529466 | October 3, 2006 | Rose et al. |
D533590 | December 12, 2006 | Beyer |
D539343 | March 27, 2007 | Qiu |
D541338 | April 24, 2007 | Wang |
D541858 | May 1, 2007 | Yeh |
D542796 | May 15, 2007 | Chan |
D547800 | July 31, 2007 | Gallay et al. |
D554183 | October 30, 2007 | Paulus et al. |
D562386 | February 19, 2008 | Stokes |
D562898 | February 26, 2008 | Allen, Jr. |
D574381 | August 5, 2008 | Chan |
D576209 | September 2, 2008 | Huang |
D576674 | September 9, 2008 | Tseng |
D595719 | July 7, 2009 | Hu |
D607931 | January 12, 2010 | Liu |
D609743 | February 9, 2010 | Kohn |
D613738 | April 13, 2010 | Daniel |
D614628 | April 27, 2010 | Taylor et al. |
D619579 | July 13, 2010 | Flores Rodrigues Vieira |
D620490 | July 27, 2010 | Avery et al. |
D631465 | January 25, 2011 | Lipsky et al. |
D632673 | February 15, 2011 | Isaias |
D634783 | March 22, 2011 | Papenfuss |
D642564 | August 2, 2011 | Busri et al. |
20060188861 | August 24, 2006 | Wood et al. |
20080062152 | March 13, 2008 | Byler et al. |
20090002346 | January 1, 2009 | Henning et al. |
Patent History
Patent number: D658183
Type: Grant
Filed: Apr 15, 2010
Date of Patent: Apr 24, 2012
Assignee: Leapfrog Enterprises, Inc. (Emeryville, CA)
Inventor: Jason Avery (San Francisco, CA)
Primary Examiner: Austin Murphy
Application Number: 29/359,843
Type: Grant
Filed: Apr 15, 2010
Date of Patent: Apr 24, 2012
Assignee: Leapfrog Enterprises, Inc. (Emeryville, CA)
Inventor: Jason Avery (San Francisco, CA)
Primary Examiner: Austin Murphy
Application Number: 29/359,843
Classifications
Current U.S. Class:
Stylus (D14/411)