Building block

Details Building block Building block

2002-09-04

2003-05-13

Barkai, Raphael (Department: 2912)

Games, toys, and sports goods

Toy

Representation or scale model

Design Patent

active

D0474513

CLAIM:
The ornamental design for building block, as shown and described.

REFERENCES:
patent: 1678709 (1928-07-01), Schurmann
patent: D233541 (1974-11-01), Christiansen
patent: 4793725 (1988-12-01), Cheng
patent: 5487690 (1996-01-01), Stoffle et al.
patent: 6015149 (2000-01-01), Burk
patent: 6168494 (2001-01-01), Engel et al.

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