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Class Information
Number: 473/437
Name: Games using tangible projectile > Playing field or court game; game element or accessory therefor other than projector or projectile, per se > Practice or training device > Weight externally mounted by user to manually held and swung projector for warmup or exercise
Description: Practice or training device comprising a body having the quality of heaviness and which is so constructed and configured to enable attachment thereof to the external surface of an implement, intended to be carried by and swung by a user during play of a playing field or court game to strike, propel, impel, or otherwise project a game projectile, which body being intended to temporarily increase the overall weight of the implement so that it may be swung by a user to increase the strength, flexibility, or elasticity of the muscles involved in swinging the implement or to warm up such muscles prior to use of the implement in play of the game.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7588500 |
Golf club swing weight |
Sep. 15, 2009 |
| 7540813 |
Retention of weighting on an athletic striker |
Jun. 2, 2009 |
| 7458900 |
Sports swing training aid |
Dec. 2, 2008 |
| 7297078 |
Ball sports training aid |
Nov. 20, 2007 |
| 7128667 |
Adjustable weight training belt for a baseball bat |
Oct. 31, 2006 |
| 6939273 |
Hockey weight training device |
Sep. 6, 2005 |
| 6866592 |
Sports swing aid and training apparatus |
Mar. 15, 2005 |
| 6599201 |
Weight training apparatus |
Jul. 29, 2003 |
| 6533685 |
Bat weight and protector |
Mar. 18, 2003 |
| 6338687 |
Batting swing indicator |
Jan. 15, 2002 |
| 6328666 |
Totally adjustable hockey stick weight |
Dec. 11, 2001 |
| 6254498 |
Instructional device with adjustable ball-striking sleeve |
Jul. 3, 2001 |
| 6010415 |
Weighted practice bat |
Jan. 4, 2000 |
| 5980397 |
Bat training weight |
Nov. 9, 1999 |
| 5964671 |
Variable weight assembly for racket |
Oct. 12, 1999 |
| 5944622 |
Strung racquet training weight system |
Aug. 31, 1999 |
| 5803838 |
Drogue for sport bats and clubs |
Sep. 8, 1998 |
| 5792011 |
Vibration dampner for sports racket |
Aug. 11, 1998 |
| 5749814 |
Structure of matching weights for a health exercise machine |
May. 12, 1998 |
| 5653440 |
Baseball bat practice device |
Aug. 5, 1997 |
| 5638999 |
Device for forming a pocket in a sports glove, mitt or similar article |
Jun. 17, 1997 |
| 5520386 |
Hockey stick training weight |
May. 28, 1996 |
| 5501450 |
Weight for baseball bat and method of manufacture |
Mar. 26, 1996 |
| 5484146 |
Hockey blade weight member |
Jan. 16, 1996 |
| 5456461 |
Bat for baseball and softball with an attachable tip at the exterior end |
Oct. 10, 1995 |
| 5409217 |
Tennis training device |
Apr. 25, 1995 |
| 5395107 |
Hitting training attachment apparatus |
Mar. 7, 1995 |
| 5286021 |
Racquet sport warm-up and weight training device |
Feb. 15, 1994 |
| 5186699 |
Functional exercise attachment trainer for swung athletic implements |
Feb. 16, 1993 |
| 5083777 |
Conditioning aid for racquet sports |
Jan. 28, 1992 |
| 5050877 |
Warm-up weight for softball bat |
Sep. 24, 1991 |
| 5024436 |
Baseball bat exercising device |
Jun. 18, 1991 |
| 4752070 |
Teaching aid device for racket sports |
Jun. 21, 1988 |
| 4671510 |
Weighted racquet cover |
Jun. 9, 1987 |
| 4538812 |
Weight device for athletic racket |
Sep. 3, 1985 |
| 4364560 |
Hockey stick practice weight |
Dec. 21, 1982 |
| 4260150 |
Weight for a ball bat |
Apr. 7, 1981 |
| 4249728 |
Tennis racket exercise weight assembly |
Feb. 10, 1981 |
| 4200285 |
Racquet weight system |
Apr. 29, 1980 |
| 4142721 |
Weight and belt assembly |
Mar. 6, 1979 |
| 4108433 |
Tennis racket with warm-up weight |
Aug. 22, 1978 |
| 4052061 |
Racket weighting means |
Oct. 4, 1977 |
| 4005864 |
Racket weighting means |
Feb. 1, 1977 |
| 4000893 |
Tennis racket weight holder and method of use |
Jan. 4, 1977 |
| 3971559 |
Weighting device for attachment to baseball bats |
Jul. 27, 1976 |
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