Bumper car ride
Patent 4522390 Issued on June 11, 1985. Estimated Expiration Date: 
May 8, 2004. 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.
May 8, 2004. 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 1373108 1919986 2015176 2886856 3724842 InventorAssigneeApplicationNo. 06/608176 filed on 05/08/1984US Classes:472/3, Having feature for facilitating transport by vehicle structure180/2.1, MOTOR SUPPLIED WITH POWER FROM EXTERNAL SOURCE472/27, Having occupant or article carriage mounted propulsion means52/69, Hinged to swing from vertical to nonvertical52/70, Three walls hinged at their intersections52/79.6Porch or vestibuleExaminersPrimary: Hafer, Robert A.Assistant: Kramer, Arnold W. Attorney, Agent or FirmInternational ClassA63G 25/00 (20060101)AbstractA structure on which electrically driven amusement bumper cars are operable comprises a trailer with fixed and fold out floor sections on a common level and fixed and fold out ceiling sections on an elevated level with respect thereto for supplying electrical energy to trolley equipped bumper cars. | |
