EP 0714681 A1 19960605 - Aerodynamic tennis racquet
Title (en)
Aerodynamic tennis racquet
Title (de)
Aerodynamischer Tennisschläger
Title (fr)
Raquette de tennis aérodynamique
Publication
Application
Priority
US 34564694 A 19941201
Abstract (en)
A tennis racquet is provided with a head portion which has a substantially circular cross section to provide an aerodynamic shape. The maximum outside dimension of the cross section is less than 15 mm. The cross section is annular in shape, and the thickness of the annular wall is preferably with the range of about 3 to 4 mm +/- 0.5 mm. The racquet is preferably lightweight and preferably has a high center of gravity, a high center of percussion, and a high frequency of vibration. <IMAGE>
IPC 1-7
IPC 8 full level
A63B 49/02 (2015.01); A63B 49/10 (2015.01)
CPC (source: EP US)
A63B 49/02 (2013.01 - EP US); A63B 49/10 (2013.01 - EP); A63B 60/002 (2020.08 - EP); A63B 49/11 (2015.10 - EP); A63B 60/002 (2020.08 - US); A63B 60/52 (2015.10 - EP); A63B 60/54 (2015.10 - EP); A63B 2049/0202 (2015.10 - EP); A63B 2049/0207 (2015.10 - EP); A63B 2049/0211 (2013.01 - EP US); A63B 2049/0212 (2015.10 - EP); A63B 2049/0217 (2013.01 - EP US); A63B 2225/01 (2013.01 - EP)
Citation (applicant)
- US 5076583 A 19911231 - HSU HENRY [TW]
- EP 0317711 A2 19890531 - WILSON SPORTING GOODS [US]
- US RE31419 E 19831018
Citation (search report)
- [DX] US 5076583 A 19911231 - HSU HENRY [TW]
- [Y] US RE33372 E 19901009
- [DY] US RE31419 E 19831018
- [A] US 5368295 A 19941129 - SEVERA WILLIAM D [US], et al
- [A] US 5075056 A 19911224 - UMLAUFT HELMUT [AT], et al
- [A] FR 2358170 A1 19780210 - BOSCH GMBH ROBERT [DE]
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB IT LI NL SE
DOCDB simple family (publication)
EP 0714681 A1 19960605; JP 3012506 U 19950620; TW 304438 U 19970501
DOCDB simple family (application)
EP 95108367 A 19950601; JP 1548594 U 19941215; TW 83217687 U 19941209