Class Information
Number: 473/281
Name: Games using tangible projectile > Golf > Practice projectile > Having air resistance device
Description: Subject matter wherein the object so constructed that a part thereof reacts with the atmosphere to alter its trajectory after being struck.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7416493 |
Golf training apparatus |
Aug. 26, 2008 |
| 7166037 |
Golf training apparatus |
Jan. 23, 2007 |
| 6872150 |
Putting practice kit and method |
Mar. 29, 2005 |
| 6012997 |
Compound safety ball |
Jan. 11, 2000 |
| 5759109 |
Simulated golf ball instructional device |
Jun. 2, 1998 |
| 5480143 |
Winged practice ball |
Jan. 2, 1996 |
| 5377988 |
Golf ball practice device |
Jan. 3, 1995 |
| 5082284 |
Golf swing analysis device |
Jan. 21, 1992 |
| 4826173 |
Golf practice device |
May. 2, 1989 |
| 4776596 |
Golf ball having braking wing |
Oct. 11, 1988 |
| 4177995 |
Golf practice device |
Dec. 11, 1979 |
| 4149726 |
Golf practice device |
Apr. 17, 1979 |
|
