The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 13, 2006
Filed:
May. 28, 2004
Takeshi Ashino, Hyogo, JP;
Kunio Niwa, Hyogo, JP;
Takeshi Ashino, Hyogo, JP;
Kunio Niwa, Hyogo, JP;
SRI Sports Limited, Hyogo, JP;
Abstract
A racket frame () including a laminate having not less than two fiber reinforced resinous layers layered one upon another and one or more modified fiber reinforced resinous layers () each containing a modified resinous composition, as a matrix resin, having a loss factor (=tan δ) not less than 0.5 nor more than 3.0, when the loss factor is measured at a temperature of 0° C. to 10° C. and a frequency of 10 Hz. A weight of the modified fiber reinforced resinous layers () is set to not less than 1% nor more than 10% of a weight of the fiber reinforced resinous layers.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile