Self-propelled vehicle
Patent 5011171 Issued on April 30, 1991. Estimated Expiration Date: 
April 20, 2010. 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.
April 20, 2010. 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.InventorApplicationNo. 512168 filed on 04/20/1990US Classes:280/221Interconnected with propulsion meansExaminersPrimary: Hill, Mitchell J.Attorney, Agent or FirmForeign Patent References
International ClassB62K 001/00AbstractA self-propelled vehicle comprising a first wheel, a second wheel, and a third wheel of greater diameter than the first and second wheels. The third wheel has a center of rotation that is aligned with the first and second wheels. A first pedal connects the first wheel and the third wheel. A second wheel connects the second wheel and the third wheel. The first and second pedals are offset by 180 degrees relative to the third wheel. The third wheel has a width greater than the first and second wheels. The center of rotation of the third wheel is aligned with the centers of rotation of the first and second wheels. The pedal has a suitable width for the receipt of a human foot. The first and second pedals are detachably connected to the wheels. A suitable snap-ring is provided so as to allow each of the pedals to be received by each of the wheels of the present invention.Field of SearchInterconnected with propulsion means | |
