1974-11-22
1976-04-13
Schnall, Jerome
Undertaking
A63B 900
Patent
active
039499855
ABSTRACT:
A hollow body having means for connecting several bodies together, the hollow body consisting of two identical shell halves of synthetic material. The halves are provided with ribs and grooves and openings through which pass fixation elements. The hollow body further includes a boring which receives the connection elements, in order to connect several hollow bodies in a detachable manner. At least the top and bottom surfaces are concave, textured and have a plurality of holes whereby the playing surface is made less slippery when wet.
REFERENCES:
patent: 2559846 (1951-07-01), Boucher
patent: 3360152 (1967-12-01), Leers
patent: 3381844 (1968-05-01), Sieve
patent: 3561757 (1971-02-01), Schillig
patent: 3572698 (1971-03-01), Greenly
patent: 3632109 (1972-01-01), Dattner
patent: 3666266 (1972-05-01), Noguchi
patent: 3712614 (1973-01-01), Sherman
patent: 3738023 (1973-06-01), Sajkovic
Schnall Jerome
Taylor Joseph R.
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