Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Target
Patent
1981-06-30
1983-01-11
Marlo, George J.
Amusement devices: games
Aerial projectile game; game element or accessory therefor...
Target
273DIG4, 273DIG5, A63B 3712, A63B 3706
Patent
active
043678734
ABSTRACT:
A game ball for use in playing such games as baseball or softball comprises a spherical core made of PVC foam, a core cover of an ethylene copolymer, the core cover having a corrugated or rough surface, yarn windings and an outer leather cover, the ball having lower production cost and good durability in addition to essentially the same playing characteristics as conventional balls.
REFERENCES:
patent: 1558706 (1925-10-01), Mitzel
patent: 2787024 (1957-04-01), Smith
patent: 2938237 (1960-05-01), Kern et al.
patent: 3908993 (1975-09-01), Gentiluomo
patent: 3940145 (1976-02-01), Gentiluomo
patent: 3976295 (1976-08-01), Heald
patent: 4149720 (1979-04-01), Heald
patent: 4211407 (1980-07-01), Tomar
Chang Paul P. H.
Chu Chen-Shin
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