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Class Information
Number: 473/221
Name: Games using tangible projectile > Golf > Practice swingable implement or indicator associated with swingable implement > With electrical sensor or electrical indicator
Description: Subject matter which includes a device operated by electrical current to detect a condition of the first or second instrument; or to provide a player with information concerning a condition of the first or second instrument.


Sub-classes under this class:

Class Number Class Name Patents
473/223 Integral with or attachable to swingable implement 80
473/225 Sensor integral with projectile addressing surface 30
473/222 Sensor positioned apart from implement to interact with a separate cooperating sensor means attachable to or integral with implement 66


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7594860 Golf swing training method and apparatus Sep. 29, 2009
7537526 Golf putter having a function of providing putting information May. 26, 2009
7427238 Golf club swinging guide Sep. 23, 2008
7419438 Putter with a distance measurement mechanism Sep. 2, 2008
7404774 Rule based body mechanics calculation Jul. 29, 2008
7404146 Input device for portable handset Jul. 22, 2008
7331875 Attachable sensor for putting stroke path and plane detection Feb. 19, 2008
7329193 Electronic golf swing analyzing system Feb. 12, 2008
7311611 Method and apparatus for determining golf ball performance versus golf club configuration in accordance with a golfer's individual swing characteristics Dec. 25, 2007
7297069 Putting practice aid Nov. 20, 2007
7264555 Diagnostic golf club system Sep. 4, 2007
7217197 Golf swing training device May. 15, 2007
7101287 Sports training apparatus and sports training system Sep. 5, 2006
7033281 Augmented kinematic feedback device and method Apr. 25, 2006
7022026 Golf club swing analyzers Apr. 4, 2006
7001283 Training machine for golf swing Feb. 21, 2006
6991552 Swing monitoring device Jan. 31, 2006
6923728 Golf club face impact alignment device Aug. 2, 2005
6837799 Putter with alignment system Jan. 4, 2005
6739981 Golf club angular orientation indicating device May. 25, 2004
6736735 Sports swing training apparatus May. 18, 2004
6702690 Golf putting trainer device Mar. 9, 2004
6699138 Golf swing indication device Mar. 2, 2004
6648769 Instrumented golf club system & method of use Nov. 18, 2003
6638175 Diagnostic golf club system Oct. 28, 2003
6602146 Putting skill game Aug. 5, 2003
6527648 Measurement of the coefficient of restitution of a golf club Mar. 4, 2003
6485374 Golf ball striking trainer Nov. 26, 2002
6461248 Electronic golf ball putter Oct. 8, 2002
6461246 Device for putt-practice Oct. 8, 2002
6413167 Golf overswing alerting mechanism and golf club with overswing alerting mechanism Jul. 2, 2002
6402632 Golf swing training apparatus Jun. 11, 2002
6402634 Instrumented golf club system and method of use Jun. 11, 2002
6398663 Golf position and parallel indicating device for the top of backswing Jun. 4, 2002
6371862 Game apparatus and method Apr. 16, 2002
6364785 Golf training device Apr. 2, 2002
6277030 Golf swing training and correction system Aug. 21, 2001
6261189 Human movement and golf swing monitoring and training system Jul. 17, 2001
6227984 Golf swing analysis methods May. 8, 2001
6224493 Instrumented golf club system and method of use May. 1, 2001
6196932 Instrumented sports apparatus and feedback method Mar. 6, 2001
6149532 Golf ball impact detection system for improving a golf swing Nov. 21, 2000
6139442 Golf swing learning aid Oct. 31, 2000
6123626 Laser putter system Sep. 26, 2000
6093119 Football training and evaluation apparatus Jul. 25, 2000
5984798 Method and apparatus for achieving an improved golf swing Nov. 16, 1999
5871406 Golf swing timing process Feb. 16, 1999
5776007 Putting practice device Jul. 7, 1998
5743805 Golf swing timing trainer Apr. 28, 1998
5733202 Laser putt training aid Mar. 31, 1998

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