Ball and tail

Details Ball and tail Ball and tail

1997-07-18

1998-09-29

Wong, Steven B.

Games using tangible projectile

Projectile, per se; part thereof or accessory therefor

Having attached or means for attaching thereto tether,...

473614, A63B 4302

Patent

active

058139311

ABSTRACT:
A ball for playing tennis type games in which the ball bounces comprises bouncing ball with a tail; the ball having experimentally determined parameters regarding bounce, diameter, mass, density and air penetration factor; and the tail constituted by one or more, and preferably two or more, lengths of flexible material having experimentally determined parameters of flexibility rating, length, mass, and thickness.

REFERENCES:
patent: 3368815 (1968-02-01), Alabastro
patent: 3393911 (1968-07-01), Lawson
patent: 4088319 (1978-05-01), Clarke
patent: 4266781 (1981-05-01), Blue
patent: 4294447 (1981-10-01), Clark
patent: 4657319 (1987-04-01), Lerner et al.
patent: 4696472 (1987-09-01), Meyer
patent: 4826179 (1989-05-01), Callaghan

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