using strings with different cross-sections

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CPC
A63B2051/002

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Parent Industries

AHUMAN NECESSITIES A63Sports, games A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING BALL GAMES TRAINING EQUIPMENT

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A63B2051/002using strings with different cross-sections

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Patents Grantslast 30 patents

Information Patent Grant
Racket for ball games and string portion or string therefor
- Patent number 5,346,212
- Issue date Sep 13, 1994
- Siegfried Kuebler
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Racquet with string positioning elements
- Patent number 4,458,898
- Issue date Jul 10, 1984
- Robert O. Boden
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Strung racquet
- Patent number 4,408,760
- Issue date Oct 11, 1983
- Harry Ferrari
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Racquets
- Patent number 4,330,132
- Issue date May 18, 1982
- Harry Ferrari
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
LACROSSE HEAD AND LACROSSE POCKET INCORPORATED THEREIN
- Publication number 20140302951
- Publication date Oct 9, 2014
- David Philip White
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
MULTIPLE STRING FOR A BALL GAME RACKET
- Publication number 20100298076
- Publication date Nov 25, 2010
- Rob Cottey
- A63 - SPORTS GAMES AMUSEMENTS