Golf club putter
Patent 4795157 Issued on January 3, 1989. Estimated Expiration Date: 
December 22, 2006. 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.
December 22, 2006. 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 D228513 1064916 1485272 1617090 2859972 3680860 3888484 Golf putter practice device Direction and slope indicating putter head Golf club including putting green slope correction aiming lines Patent #: 4174839 InventorApplicationNo. 06/945010 filed on 12/22/1986US Classes:473/251Used for puttingExaminersPrimary: Marlo, George J.Attorney, Agent or FirmInternational ClassA63B 69/36 (20060101)AbstractA golf club putter with an aid for putting on an inclined green includes a head presenting a longitudinally extending top surface visible to the golfer when in use with the surface having ball position striking markers spaced apart longitudinally from each other. The markers include: a first curved line identifying one ball striking location adjacent the club handle which curves inwardly toward the golfer to indicate to the golfer that the ball, when struck at the one location, will curve in the direction shown by the first curved line; and a second curved line on the top surface located adjacent the outer end of the putter head longitudinally spaced from the first curve and curving outwardly away from the golfer to identify another ball striking location to indicate to the golfer that the ball, when struck at the other ball striking location, will curve in the direction shown by the second curved line. | |
