EP 3921048 A4 20221019 - GOLF CLUB HEAD WITH OPEN BACK CAVITY
Title (en)
GOLF CLUB HEAD WITH OPEN BACK CAVITY
Title (de)
GOLFSCHLÄGERKOPF MIT OFFENEM RÜCKSEITENHOHLRAUM
Title (fr)
TÊTE DE CLUB DE GOLF POURVUE D'UNE CAVITÉ ARRIÈRE OUVERTE
Publication
Application
Priority
- US 201962802125 P 20190206
- US 2020017092 W 20200206
Abstract (en)
[origin: WO2020163652A1] Embodiments of golf club heads with energy storage characteristics are presented herein. In some embodiments, a golf club head comprises a hollow body comprising a strikeface, a heel region, a toe region opposite the heel region, a sole, a top rail and an inflection point. The inflection point provides increase bending of the strikeface thereby providing performance enhancement over clubs without an inflection point.
IPC 8 full level
A63B 53/04 (2015.01); A63B 53/08 (2015.01); A63B 60/50 (2015.01); A63B 60/54 (2015.01)
CPC (source: EP GB KR)
A63B 53/04 (2013.01 - GB KR); A63B 53/0408 (2020.08 - GB); A63B 53/0458 (2020.08 - GB); A63B 53/047 (2013.01 - GB); A63B 53/0475 (2013.01 - EP GB); A63B 53/08 (2013.01 - EP GB KR); A63B 60/50 (2015.10 - EP); A63B 60/54 (2015.10 - EP); A63B 53/04 (2013.01 - EP); A63B 53/0408 (2020.08 - EP); A63B 53/0458 (2020.08 - EP); A63B 53/047 (2013.01 - EP); A63B 60/02 (2015.10 - EP); A63B 2053/0491 (2013.01 - EP); A63B 2102/32 (2015.10 - KR); A63B 2209/00 (2013.01 - EP)
Citation (search report)
- [XI] US 2018056146 A1 20180301 - FRANZ MICHAEL E [US], et al
- [XI] US 9138622 B1 20150922 - DEMILLE BRANDON D [US], et al
- [XI] US 2009069116 A1 20090312 - CHEN ARCHER C C [TW]
- [XI] WO 2005056125 A1 20050623 - YONEX KK [JP], et al
- [XI] US 2008022502 A1 20080131 - TSENG WEN-CHENG [TW]
- See also references of WO 2020163652A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
WO 2020163652 A1 20200813; EP 3921048 A1 20211215; EP 3921048 A4 20221019; GB 202112052 D0 20211006; GB 202306639 D0 20230621; GB 2595398 A 20211124; GB 2595398 B 20230322; GB 2614452 A 20230705; GB 2614452 B 20231129; GB 2615050 A 20230726; GB 2615050 B 20240131; GB 2617043 A 20230927; GB 2617043 B 20240131; JP 2022519733 A 20220324; KR 20210121233 A 20211007
DOCDB simple family (application)
US 2020017092 W 20200206; EP 20752859 A 20200206; GB 202112052 A 20200206; GB 202301694 A 20200206; GB 202306639 A 20200206; GB 202310353 A 20200206; JP 2021546320 A 20200206; KR 20217028408 A 20200206