Games using tangible projectile – Playing field or court game; game element or accessory... – Practice or training device
Reexamination Certificate
2010-05-28
2011-11-08
Chiu, Raleigh W. (Department: 3711)
Games using tangible projectile
Playing field or court game; game element or accessory...
Practice or training device
Reexamination Certificate
active
08052548
ABSTRACT:
Training device to improve tennis skills. The training device includes an umbilical having a first end and a second end. The first end is attached to a wristband for encircling the wrist of a user and the second end is attached to a tennis racquet. The umbilical is under constant tension during use to encourage the movement of a user's hands in unison in carrying out the tennis stroke.
REFERENCES:
patent: 3858881 (1975-01-01), Hurwitz
patent: 4150821 (1979-04-01), Racz
patent: 4209169 (1980-06-01), Roberts
patent: 5005833 (1991-04-01), Groveman et al.
patent: 5476257 (1995-12-01), Bobby
patent: 5618040 (1997-04-01), Parten
patent: 6827654 (2004-12-01), Meyer
patent: 6945884 (2005-09-01), Korik
patent: 7147581 (2006-12-01), Williams, III
patent: 7354361 (2008-04-01), Williams, III
patent: 7381140 (2008-06-01), Stanisic
patent: 7445570 (2008-11-01), Rodgers et al.
patent: 7559859 (2009-07-01), Rodgers et al.
patent: 2006/0287139 (2006-12-01), Williams, III
patent: 2007/0087868 (2007-04-01), Williams, III
patent: 2007/0123372 (2007-05-01), Bilsey et al.
patent: 2007/0275796 (2007-11-01), Carter
patent: 2008/0220911 (2008-09-01), Rodgers et al.
patent: 2009/0069128 (2009-03-01), Bilsey et al.
patent: 2010/0069179 (2010-03-01), Rodgers et al.
patent: 4016588 (1991-11-01), None
Dorman Lisa L.
Stanisic David
Bay Area Technology Law Group PC
Chiu Raleigh W.
LandOfFree
Tennis teaching device does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Tennis teaching device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Tennis teaching device will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4273499