Toy building block
Description
The broken lines in
Claims
The ornamental design for a toy building block, as shown and described.
Referenced Cited
U.S. Patent Documents
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D276926 | December 25, 1984 | Petersson |
4602908 | July 29, 1986 | Kroeber |
4719738 | January 19, 1988 | Lee |
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20120213961 | August 23, 2012 | Graham |
Patent History
Patent number: D845400
Type: Grant
Filed: Oct 24, 2017
Date of Patent: Apr 9, 2019
Inventor: William C. MacArthur (Grand Cayman)
Primary Examiner: Cynthia M. Chin
Application Number: 29/623,256
Type: Grant
Filed: Oct 24, 2017
Date of Patent: Apr 9, 2019
Inventor: William C. MacArthur (Grand Cayman)
Primary Examiner: Cynthia M. Chin
Application Number: 29/623,256
Classifications
Current U.S. Class:
Including Open Area (D21/501)