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Class Information
Number: 473/237
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 > Indication is a mark made by implement swing
Description: Subject matter wherein the first or second swingable instrument carries a device that provides a trace visible to the player for providing information regarding a swing path of the instrument, or wherein a surface of an object striking face on the instrument is modified (e.g., with chalk etc.) to provide a player with information concerning the position on the face where the object has struck it.

Patents under this class:

Patent Number Title Of Patent Date Issued
8622845 Launch monitor Jan. 7, 2014
8579720 Putting stroke training system Nov. 12, 2013
8177656 Putter training system May. 15, 2012
8152649 Golf putter and grid for training a golf putting method Apr. 10, 2012
8092315 Methods and apparatus to indicate impact of an object Jan. 10, 2012
8047928 Putter training system Nov. 1, 2011
8002643 Golf putter and grid for training a golf putting method Aug. 23, 2011
7481725 Swing teaching system and method Jan. 27, 2009
7481717 Golf club head Jan. 27, 2009
7311612 Golf club head with bi-polar magnetic impact detectors Dec. 25, 2007
7238124 Golf teaching system and method Jul. 3, 2007
7134967 Training aid that generates an impression on a hitting instrument Nov. 14, 2006
7086956 Apparatus and method for recording the impact location between a golf ball and a golf club Aug. 8, 2006
6997822 Golf teaching system and method Feb. 14, 2006
6832964 Golf teaching system and method Dec. 21, 2004
6692382 Golf tee marking system and method of use Feb. 17, 2004
6648770 Training golf iron Nov. 18, 2003
6585604 Swing thing Jul. 1, 2003
6506131 Golf tee marking system and method of use Jan. 14, 2003
6361449 Golfer's swing tracer Mar. 26, 2002
6344004 Golf tee marking system and method of use Feb. 5, 2002
6312344 Golf training aid Nov. 6, 2001
6309315 Golf tee marking system and method of use Oct. 30, 2001
5779556 Golf club point of impact and relative club velocity indicator Jul. 14, 1998
5620376 Golf swing training device Apr. 15, 1997
5609530 Dynamic lie determination device and method Mar. 11, 1997
5605509 Golf training device Feb. 25, 1997
5597361 Golf club strike indicator Jan. 28, 1997
D368949 Combined metronome and golf club head Apr. 16, 1996
5470071 Golf swing training device Nov. 28, 1995
5467538 Method and apparatus of determining golfer's effective putter loft Nov. 21, 1995
5142309 Golf club impact recording system Aug. 25, 1992
5120358 Golf practice aid Jun. 9, 1992
5120064 Golfers' swing tracing training aid Jun. 9, 1992
5033746 Golf club ball-impact marker Jul. 23, 1991
4974851 Golf club impact making device and method Dec. 4, 1990
4932662 Golf club lie angle evaluation device Jun. 12, 1990
4676508 Method and means for determining golf ball impact Jun. 30, 1987
4637616 Marking projectile Jan. 20, 1987
4596392 Practice ball for golfers Jun. 24, 1986
4509757 Golf swing diagnosing device Apr. 9, 1985
4441716 Golf ball including alignment markings and golf ball marking device Apr. 10, 1984
4432551 Golfer's training aid Feb. 21, 1984
4415159 Golf stance viewer Nov. 15, 1983
4065126 Practice tennis ball and apparatus Dec. 27, 1977
3992013 Golf club swing training method Nov. 16, 1976

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