Toy building block
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Description
Claims
We claim the ornamental design for a toy building block, as shown and described.
Referenced Cited
U.S. Patent Documents
4305221 | December 15, 1981 | Chatani |
4306373 | December 22, 1981 | Chatani et al. |
D580995 | November 18, 2008 | Chun |
D612435 | March 23, 2010 | Sisamos |
20090017715 | January 15, 2009 | Grichting |
20100210173 | August 19, 2010 | Maggiore et al. |
20110039474 | February 17, 2011 | Bruder |
Patent History
Patent number: D740893
Type: Grant
Filed: Aug 25, 2014
Date of Patent: Oct 13, 2015
Assignee: CHISWICK INNOVATIONS LTD. (London)
Inventors: Colin Simonds (London), James Simonds (London)
Primary Examiner: Cynthia M Chin
Application Number: 29/500,418
Type: Grant
Filed: Aug 25, 2014
Date of Patent: Oct 13, 2015
Assignee: CHISWICK INNOVATIONS LTD. (London)
Inventors: Colin Simonds (London), James Simonds (London)
Primary Examiner: Cynthia M Chin
Application Number: 29/500,418
Classifications