U.S. federal trademark · Serial No. 98533486
Building blocks; Toy building blocks; Toy construction blocks; Blocks incorporating power conductors; Blocks incorporating power conductors and electronic components; Construction toys incorporating power conductors; Construction toys incorporating power conductors, and electronic components; Sets of any of the foregoing goods; Educational kits of any of the foregoing goods
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.