Golf training device and method
Patent 5020802 Issued on June 4, 1991. Estimated Expiration Date: 
April 10, 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 10, 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.Patent References 1657913 3128627 3516675 3524649 InventorApplicationNo. 507003 filed on 04/10/1990US Classes:473/156, Pictorial flight path image display473/165Particular projectile (e.g., reduced flight ball, etc.)ExaminersPrimary: Marlo, George J.Attorney, Agent or FirmInternational ClassesA63B 069/36182 R AbstractA golf training device and method giving instantaneous feedback of the quality of the shot. Two opposite, substantially parallel walls are provided between which the golfer stands with his club and a light-weight training ball. Each wall is marked with a grid on the side facing the other wall. The golfer strikes the ball with a driver or approach club towards the front wall. By observing, visually or electronically, where the ball strikes the wall or walls and the floor, the direction and distance of flight are ascertained, against which can be compared subsequent shots in order to determine consistency and improvement. The device and method may be used for various competitions.Other References
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