US2009181786A1PendingUtilityA1

Bubble putter

Individually held — no corporate assignee on recordPriority: Oct 15, 2007Filed: Oct 14, 2008Published: Jul 16, 2009
Est. expiryOct 15, 2027(~1.2 yrs left)· nominal 20-yr term from priority
A63B 53/007A63B 69/3685
25
PatentIndex Score
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Claims

Abstract

Golf putter that will aid golfer in determining slope of green and putting target line to compensate for slope of green.

Claims

exact text as granted — not AI-modified
1 . A putter shaft that is tapered down to approximately ¼″ to fit into a putter head beginning approximately 80% down the shaft thus providing 80% of the putter shaft resulting in a straight line edge for putt alignment purposes, as described under Summary of use of invention. ( FIG. 1 ) Typical putter shaft is about ½″ wide at the top and is tapered from very top to very bottom down to ¼″ at the bottom to fit into a putter head. 
   
   
       2 . At very top of shaft a putter grip is added and the very bottom of the shaft is fitted into a putter head, much the same as typical putter construction. 
   
   
       3 . Within about 1″ below the bottom of the putter grip a horizontal hole is drilled thru the shaft from the left side thru to the right side. ( FIG. 1 ) 
   
   
       4 . A viewing hole is drilled on the back of the shaft into the horizontal hole drilled in  claim 3  above. ( FIG. 2 ) 
   
   
       5 . A liquid bubble level is inserted into the horizontal hole identified in  claim 3  above. ( FIG. 1 ) 
   
   
       6 . The liquid bubble level ( claim 5  above) has a ¼″ wide leveling bubble within it. 
   
   
       7 . The uniqueness of this invention is the shape of the putter shaft and the insertion of a horizontal liquid bubble level into the shaft. The putter grip and putter head would be selected from a wide range of grip and head options available.

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