U.S. federal trademark · Serial No. 77926389
Any type of child or adult unicycle, tricycle, bicycle, or motorcycle, manually or mechanically operated, engineered with an accessory or built in component so that bubbles are automatically emitted from the unicycle, tricycle, bicycle, motorcycle when it is in motion, or the bubble system is otherwise engaged
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.