Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Projectile backstop
Patent
1995-12-27
1996-10-08
Shapiro, Paul E.
Amusement devices: games
Aerial projectile game; game element or accessory therefor...
Projectile backstop
273DIG24, A63B 6718
Patent
active
055622909
ABSTRACT:
A shuttlecock including a feathers unit having a front coupling neck, and a light-permeable base snuggly receiving the front coupling neck of the feathers unit and defining a water-tight space, an alkaline solution filled in the water-tight space, and a film-covered luminol ball disposed in the alkaline solution, the luminol of the luminol ball is activated by the alkaline solution to produce a brilliant bluish luminescence when the luminol ball is broken by an external force being applied to the base.
REFERENCES:
patent: 3539794 (1970-11-01), Rauhut et al.
patent: 5018450 (1991-05-01), Smith
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