Curve ball

Details Curve ball Curve ball

1999-07-27

2002-03-12

Pierce, William M. (Department: 3711)

Games using tangible projectile

Projectile, per se; part thereof or accessory therefor

Having solid core within outer cover; core or cover therefor

C473S613000

Reexamination Certificate

active

06354970

ABSTRACT:

BACKGROUND AND SUMMARY
The invention relates to a curve ball, and is particularly useful in training baseball hitters.
Balls having configurations making them curve when thrown are known in the prior art. The present invention provides a curve ball which is particularly simple and easy to manufacture, and particularly effective in curving when thrown.


REFERENCES:
patent: 1150761 (1915-08-01), Hartman
patent: 2135210 (1938-11-01), Farrar
patent: 2776139 (1957-01-01), Blamey, Jr. et al.
patent: 3863923 (1975-02-01), Anderson
patent: 4874169 (1989-10-01), Litchfield
patent: 4919422 (1990-04-01), Ma
patent: 4955620 (1990-09-01), Reinke
patent: 4991838 (1991-02-01), Groves
patent: 5165685 (1992-11-01), Hynes
patent: 5280906 (1994-01-01), Vitale
patent: 5588648 (1996-12-01), Stebbins
patent: 6030304 (2000-02-01), Simonutti
patent: 6241626 (2001-06-01), Sullivan et al.

Affiliated with

Also associated with

Rating

Curve ball does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Curve ball, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Curve ball will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2863152