TREA

with non-circular cross-section

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  • CPC
  • A63B2051/026
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Parent Industries

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

Current Industry

A63B2051/026with non-circular cross-section
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    String for sport rackets
    • Patent number 8,178,200
    • Issue date May 15, 2012
    • Yao I Fabric Co., Ltd.
    • Tsan-Ching Wang
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Monofilamentous string
    • Patent number 7,892,642
    • Issue date Feb 22, 2011
    • LUXILON INDUSTRIES, naamloze vennootschap
    • Dominique Van Malderen
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Sport racket strings with hollow center core
    • Patent number 7,546,724
    • Issue date Jun 16, 2009
    • Yao I Fabric Co., Ltd.
    • Tsan-Ching Wang
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Structure of toy tennis racket
    • Patent number 7,438,654
    • Issue date Oct 21, 2008
    • Liang-Fa Hu
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Interlocking string network for sports rackets
    • Patent number 6,506,134
    • Issue date Jan 14, 2003
    • Fabio Paolo Bertolotti
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Monolithic string network for sport rackets
    • Patent number 6,280,354
    • Issue date Aug 28, 2001
    • Fabio P Bertolotti
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Means for racket to return strings to original position after ball...
    • Patent number 5,536,005
    • Issue date Jul 16, 1996
    • Steven G. Koff
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    String for racket
    • Patent number 5,145,172
    • Issue date Sep 8, 1992
    • Gosen Co., Ltd.
    • Yutaka Takashima
    • D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
  • Information Patent Grant

    Ridged racquet string
    • Patent number 5,090,188
    • Issue date Feb 25, 1992
    • Tseng Y. Lin
    • D07 - ROPES CABLES OTHER THAN ELECTRIC
  • Information Patent Grant

    Racquet strings
    • Patent number 4,860,531
    • Issue date Aug 29, 1989
    • D. Phillips Wells
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    String construction for a sports racket
    • Patent number 4,805,393
    • Issue date Feb 21, 1989
    • Marcos A. Reta
    • D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
  • Information Patent Grant

    Sports racquet utilizing non-circular strings
    • Patent number 4,597,576
    • Issue date Jul 1, 1986
    • James Haythornthwaite
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Gut string for sports rackets
    • Patent number 4,449,353
    • Issue date May 22, 1984
    • United States Tennis Gut Association, Inc.
    • Amad Tayebi
    • D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
  • Information Patent Grant

    Tennis racket
    • Patent number 4,377,288
    • Issue date Mar 22, 1983
    • Michael S. Sulprizio
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    Apparatus for forming protuberances on a line
    • Patent number 4,363,613
    • Issue date Dec 14, 1982
    • Larry W. Stelck
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    String for sporting goods
    • Patent number 4,349,198
    • Issue date Sep 14, 1982
    • Larry W. Stelck
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    String construction for athletic rackets
    • Patent number 4,306,410
    • Issue date Dec 22, 1981
    • Kureha Kagaku Kogyo Kabushiki Kaisha
    • Masaaki Nakamura
    • D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
  • Information Patent Grant

    Integrated string
    • Patent number 4,055,941
    • Issue date Nov 1, 1977
    • E. I. Du Pont de Nemours and Company
    • Joseph Tracy Rivers
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    String construction
    • Patent number 4,016,714
    • Issue date Apr 12, 1977
    • Ashaway Line & Twine Mfg. Co.
    • Julian Titsworth Crandall
    • D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
  • Information Patent Grant

    Tennis rackets
    • Patent number 4,005,863
    • Issue date Feb 1, 1977
    • Dana R. Henry
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    3926431
    • Patent number 3,926,431
    • Issue date Dec 16, 1975
    • A63 - SPORTS GAMES AMUSEMENTS
  • Information Patent Grant

    3745756
    • Patent number 3,745,756
    • Issue date Jul 17, 1973
    • D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
  • Information Patent Grant

    3738096
    • Patent number 3,738,096
    • Issue date Jun 12, 1973
    • D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING

Patents Applicationslast 30 patents