Pyrotechnic device for a skateboard
Patent 4834407 Issued on May 30, 1989. Estimated Expiration Date: 
November 5, 2007. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
November 5, 2007. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 1790423 3086788 Protective plate for a skateboard Skateboard Roller skating spark generator Spark-generating roller skate assembly Patent #: 4394037 InventorApplicationNo. 07/117086 filed on 11/05/1987US Classes:280/87.042, Steered by tiltable platform (e.g., skateboard)280/11.203, Including lighting means280/11.208, Brake element engageable with skating surface280/11.209, Element attached to front end of skate280/816, Combined446/22, SPARKING446/23Figure, wheeled, or simulated weaponExaminersPrimary: Marmor, Charles A.Assistant: Culbreth, Eric Attorney, Agent or FirmInternational ClassesA63C 17/00 (20060101)A63C 17/01 (20060101) AbstractA pyrotechnic device is disclosed which mounts to the underside of a skateboard. When frictionally engaged with an abrasive surface traveled by the skateboard, the pyrotechnic device emits sparks so as to accentuate stunts being performed by the user. | |
