Green reader device

Details Green reader device Green reader device

1995-01-06

1996-02-20

Grieb, William H.

Amusement devices: games

Aerial projectile game; game element or accessory therefor...

Target

33379, 33389, 273 32H, A63B 5700, G01C 924

Patent

active

054923220

ABSTRACT:
A green reader device including a clear body having a horizontal line and a vertical line formed thereon and a bubble level affixed to the body. The horizontal line and the vertical line extend in intersecting relationship. The bubble level serves to indicate a horizontal orientation of the horizontal line. The body has angular indices adjacent the horizontal line and angular markings adjacent the vertical line. The angular indices and angular markings are offset from the horizontal line and the vertical line at uniform increments. The body has a generally rectangular configuration. The bubble level is affixed along a top edge of the body.

REFERENCES:
patent: 824109 (1906-06-01), Gibson
patent: 2584917 (1952-02-01), Powell
patent: 3568325 (1971-03-01), Baltz
patent: 4854579 (1989-08-01), Baxter
patent: 4864854 (1989-09-01), Van Leemput
patent: 4880232 (1989-11-01), Lang
patent: 5135220 (1992-08-01), Baldoni
patent: 5211400 (1993-05-01), Hall et al.
patent: 5298904 (1994-03-01), Olich

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