Hybrid golf club shaft set
US6729970B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 27, 2002 |
| Grant date | May 4, 2004 |
| Priority date | — |
| Expiry date | Aug 27, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B60/0081
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A hybrid golf club shaft set is provided that includes a composite shaft subset including shafts formed entirely of composite, a composite/metal shaft subset including shafts formed of composite/metal combination shafts, and a metal shaft subset including shafts formed entirely of metal. The composite shaft subset preferably includes the long irons with the lowest lofts such as the two, three, and four iron shafts. The composite/metal shaft subset preferably includes the middle irons with medium lofts such as the five, six, and seven iron shafts. The metal shaft subset preferably includes the short irons with the highest lofts such as the eight, nine, and wedge shafts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.