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Class Information
Number: 473/236
Name: Games using tangible projectile > Golf > Practice swingable implement or indicator associated with swingable implement > Device attachable to or integral with swingable implement > Adjustable swingable implement, or swing or position indicator > Projection on face of swingable implement head provides reduced striking area
Description: Subject matter wherein the first or second swingable instrument has a striking face for striking an object, and wherein the striking face has a protuberance thereon for limiting the surface area on the face available for desirable object advancing strike, thereby, providing information to the player when the limited surface area has not been contacted by the object.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7614960 |
Training putter |
Nov. 10, 2009 |
| 7556569 |
Detachable guide assembly for a golf putter and its associated method of use |
Jul. 7, 2009 |
| 7396288 |
Putting training device |
Jul. 8, 2008 |
| 7322891 |
Golf putting training device |
Jan. 29, 2008 |
| 7247102 |
Golf club with optical indicating system |
Jul. 24, 2007 |
| 7121953 |
Practice golf club, target, and swing platform apparatus |
Oct. 17, 2006 |
| 7104898 |
Golf putter training device and method |
Sep. 12, 2006 |
| 7104899 |
Golf putter with extending training rail device and its associated method of use |
Sep. 12, 2006 |
| 7033283 |
Golf putter |
Apr. 25, 2006 |
| 6849001 |
Practice golf club and target apparatus |
Feb. 1, 2005 |
| 6827655 |
Method and apparatus for practicing putting stroke |
Dec. 7, 2004 |
| 6821212 |
Device to convert a golf club into a training system |
Nov. 23, 2004 |
| 6780119 |
Golf putter attachment |
Aug. 24, 2004 |
| 6729966 |
Golf practice aid |
May. 4, 2004 |
| 6702688 |
Golf putter training system |
Mar. 9, 2004 |
| 6659775 |
Golf training system |
Dec. 9, 2003 |
| 6464596 |
Golf club alignment attachment |
Oct. 15, 2002 |
| 6461247 |
Golf putting practice apparatus |
Oct. 8, 2002 |
| 6450903 |
Golf practice aid system |
Sep. 17, 2002 |
| 6296574 |
Golf swing improvement device |
Oct. 2, 2001 |
| 6273827 |
Golf putter head |
Aug. 14, 2001 |
| 6270423 |
Golf club head with striking surface density control |
Aug. 7, 2001 |
| 6244973 |
Target for swinging a golf club |
Jun. 12, 2001 |
| 6015353 |
Golf swing stroke-error-signalling sensor |
Jan. 18, 2000 |
| 5961392 |
Focused sweet spot for all golf clubs |
Oct. 5, 1999 |
| 5924935 |
Golf swing training device |
Jul. 20, 1999 |
| 5830077 |
Impact detector for use with a golf club |
Nov. 3, 1998 |
| 5820477 |
Golf training system |
Oct. 13, 1998 |
| 5810675 |
Golf putting stroke training device |
Sep. 22, 1998 |
| 5709611 |
Golf club alignment device |
Jan. 20, 1998 |
| 5595543 |
Golf putting practice system |
Jan. 21, 1997 |
| 5551695 |
Apparatus for training a golfer to properly putt a golf ball |
Sep. 3, 1996 |
| 5478078 |
Golf putting practice device for use on a golf putter |
Dec. 26, 1995 |
| 5441268 |
Golf putting accessory |
Aug. 15, 1995 |
| 5240253 |
Practice aid golf club putter |
Aug. 31, 1993 |
| 5135229 |
Golf putter with training device |
Aug. 4, 1992 |
| 5135228 |
Practice attachment for golf clubs |
Aug. 4, 1992 |
| 5062639 |
Supplementary impact device for a golf club |
Nov. 5, 1991 |
| 5011153 |
Golf putting aid and teaching device |
Apr. 30, 1991 |
| 4989876 |
Practice golf club and system |
Feb. 5, 1991 |
| 4944517 |
Golf practice club |
Jul. 31, 1990 |
| 4909515 |
Golf practice club |
Mar. 20, 1990 |
| 4323246 |
Golf practice putting aid |
Apr. 6, 1982 |
| D254384 |
Golf club head or similar article |
Mar. 4, 1980 |
| 4139198 |
Training device for improving accuracy in hitting a ball |
Feb. 13, 1979 |
| 4130282 |
Golf putting system for play and practice |
Dec. 19, 1978 |
| 4025078 |
Attachment for a golf club |
May. 24, 1977 |
| 3979124 |
Practice golf club |
Sep. 7, 1976 |
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