Patent · US Active

Racquet with elongated grommet barrels

US8834306B2 · kind B2 · utility

1Cited by

19References

39Claims

0Family size

Assignee

EF Composite Technologies, L.P. · US

Inventors

Tim M. Doyle · Greenwood, US
Thomas Travers · Tampa, US
Christopher Crowther · Carlsbad, US

Key dates

Filing date	Jul 20, 2011
Grant date	Sep 16, 2014
Priority date	—
Expiry date	Jun 29, 2032

Classification

Technology area (CPC A)Human Necessities
CPC primaryA63B60/54
WIPO fieldFurniture, games
WIPO sectorOther fields

Abstract

A sports racquet with increased string vibration damping has grommets with elongated barrels. The barrels conform closely to the strings, are capable of absorbing vibration, and may be placed on the main strings, the cross strings, or both.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.