Football exact yard marker and method for use

Details Football exact yard marker and method for use Football exact yard marker and method for use

1991-02-11

1992-05-19

Cuchlinski, Jr., William A.

Geometrical instruments

Straight-line light ray type

Alignment device

33295, 273 55R, 356401, G01C 1500, A63B 6700

Patent

active

051135892

ABSTRACT:
A device for making the location of a football on a football field comprising a large view container having two opposite sides containing see through material and having a vertical line on both sides of the see through material, a spirit level under the container to indicate the levelness of the container, a vertical stand which holds up and is attached to the container, the stand having a vertical white line down the center such that it can be seen from the opposite side of the field, a pointed end for the stand, and a smaller container on the other side of the field so that by looking through the vertical lines they can eye up a line across the field, and a process for using the new device to insure the proper location of the football when it is moved by the referee.

REFERENCES:
patent: 2795853 (1957-06-01), Benfield, Jr. et al.
patent: 3181241 (1965-05-01), Middleton
patent: 3186092 (1965-06-01), Bertas
patent: 3300861 (1967-01-01), Lilly
patent: 3482317 (1969-12-01), Truax
patent: 3608199 (1971-09-01), Hunt
patent: 3738014 (1973-06-01), Sproul, Sr.
patent: 3985356 (1976-10-01), Carlock

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