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Class Information
Number: 33/510
Name: Geometrical instruments > Gauge > Bowling ball > Grip
Description: Subject matter which includes a simulated bowling ball and the contact member has variable thumb and finger holes spaced from each other on the ball and means to determine the spacing between the thumb and the fingers used to grip a bowling ball.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7066823 |
Adjustable bowling ball measuring and marking device |
Jun. 27, 2006 |
| 6671971 |
Bowling ball angulator and methods of use |
Jan. 6, 2004 |
| 5813129 |
Guiding disk for drilling holes on a bowling ball |
Sep. 29, 1998 |
| 5603165 |
Bowling ball measuring template |
Feb. 18, 1997 |
| 5601385 |
Apparatus for fitting and drilling bowling balls |
Feb. 11, 1997 |
| 5456016 |
Gauge to indicate a correct alignment for the thumb hole of a bowling ball |
Oct. 10, 1995 |
| 5181325 |
System for duplicating bowling ball finger and thumb holes |
Jan. 26, 1993 |
| 5118106 |
Adjustable grip bowling aid kit |
Jun. 2, 1992 |
| 5092054 |
Arcuate measuring device, and methods of constructing and utilizing same |
Mar. 3, 1992 |
| 4742620 |
Bowling ball weight locating method and apparatus |
May. 10, 1988 |
| 4191357 |
Duplicator for bowling ball finger and thumb holes |
Mar. 4, 1980 |
| 4150822 |
Bowling ball assembly |
Apr. 24, 1979 |
| 4102049 |
Grip measuring device |
Jul. 25, 1978 |
| 4067110 |
Thumb finger hole positioning device for bowling balls |
Jan. 10, 1978 |
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