Amusement devices: games – Problem eliciting response
Patent
1983-03-07
1984-10-16
Shapiro, Paul E.
Amusement devices: games
Problem eliciting response
244 324, F41B 502
Patent
active
044770847
ABSTRACT:
An arrow vane which is of a solid one-piece construction and of a soft flexible material such as polyurethane. The vane has a base portion and an integrally formed fin with corrugations therein. The corrugations are at a 45.degree. angle with respect to the base portion. The fin also has openings with V-shaped edges therethrough which permit air to pass through the fin for improved accuracy.
REFERENCES:
patent: 1324014 (1919-12-01), Upson
patent: 2830818 (1958-04-01), Otto
patent: 2887319 (1959-05-01), Lay
patent: 2976043 (1961-03-01), Meyer
patent: 3437340 (1969-04-01), Grise
patent: 3667758 (1972-06-01), Bengtsson
patent: 3765620 (1973-10-01), Donner et al.
patent: 4088323 (1978-05-01), Munger
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