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Class Information
Number: 473/460
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 > For game using field or court having dividing means thereon for separating opponents (e.g., for tennis, volleyball, table tennis, etc.) > Projectile collector for field or court (e.g., trough, ball sweeper, etc.)
Description: Practice or training device comprising means associated with the field or court for removing projectiles from the field or court or from adjacent areas thereof and directing them to a common collection location.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7582031 |
Tennis ball holder |
Sep. 1, 2009 |
| 7134526 |
Driveway safety net and method |
Nov. 14, 2006 |
| 6834776 |
Tennis ball retrieving device |
Dec. 28, 2004 |
| 6802789 |
Volleyball practice system |
Oct. 12, 2004 |
| 6729980 |
Jam free device for a table tennis serving machine |
May. 4, 2004 |
| 6371872 |
Lateral positioning and recycling table tennis robot |
Apr. 16, 2002 |
| 6277039 |
Ball-capturing tennis net assembly |
Aug. 21, 2001 |
| 6189889 |
Portable backstop device |
Feb. 20, 2001 |
| 6186132 |
On-court service machine for table tennis |
Feb. 13, 2001 |
| 5938204 |
Amusement system |
Aug. 17, 1999 |
| 5755632 |
Ball retrieval, storage, dispensing and court target practice device |
May. 26, 1998 |
| 5533722 |
Table tennis training system |
Jul. 9, 1996 |
| 5188410 |
Deformable ball retrieving, retaining and dispensing device |
Feb. 23, 1993 |
| 5141226 |
Ball recovery system |
Aug. 25, 1992 |
| 5125654 |
Tennis ball retrieving system |
Jun. 30, 1992 |
| 5086948 |
Tennis ball pack dispensing and retrieving apparatus |
Feb. 11, 1992 |
| 4721428 |
Tennis ball retriever |
Jan. 26, 1988 |
| 4643317 |
Combination sports equipment storage rack and ball retriever |
Feb. 17, 1987 |
| 4621812 |
Installation for the transport of tennis balls |
Nov. 11, 1986 |
| 4606543 |
Practice tennis court |
Aug. 19, 1986 |
| 4575081 |
Tennis ball retrieving system |
Mar. 11, 1986 |
| 4456252 |
Tennis service practice court with recovering and collecting means |
Jun. 26, 1984 |
| 4116192 |
Tennis ball retriever |
Sep. 26, 1978 |
| 4116436 |
Ball-collecting apparatus |
Sep. 26, 1978 |
| 4112911 |
Ball collector and projector apparatus |
Sep. 12, 1978 |
| 4004806 |
Apparatus for collecting balls |
Jan. 25, 1977 |
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