Sport racket strings with hollow center core

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7546724
SERIAL NO

11194645

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Abstract

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A string for sport rackets includes a center core having at least one first hollow portion extending in an axial direction of the center core and at least one layer wrapped around the center core. The at least one layer is composed of a plurality of first periderm wires which are spirally or alternatively wrapped on the center core.

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Patent Owner(s)

Patent OwnerAddress
YAO I FABRIC CO LTDNO 334 SEC 6 CHANG MEI ROAD HOMEI CHANGHUA R O C

International Classification(s)

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  • 2005 Application Filing Year
  • D02G Class
  • 174 Applications Filed
  • 71 Patents Issued To-Date
  • 40.81 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances200520062007200820092010201120122013201420150255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Wang, Tsan-Ching Changhua, TW 14 111

Cited Art Landscape

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Patent Citation Ranking

  • 3 Citation Count
  • D02G Class
  • 7.69 % this patent is cited more than
  • 16 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges12883612322101 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7005101520253035404550556065707580859095

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