Color coded football yardage measuring sleeve

Details Color coded football yardage measuring sleeve Color coded football yardage measuring sleeve

1997-12-04

2000-01-11

Bennett, G. Bradley

Geometrical instruments

Straight-line light ray type

Alignment device

33759, 33771, G01B 311

Patent

active

060122285

ABSTRACT:
A new color coded football yardage measuring sleeve for showing an exact distance a football team must move to achieve a first down when measuring chains are brought onto a football field. The inventive device includes a cylindrical sleeve portion having opposed open ends for receiving an existing yardage chain therein. The sleeve portion has a length of ten yards. The cylindrical sleeve portion is divided into one yard increments of alternating colors.

REFERENCES:
patent: 1105925 (1914-08-01), Reynolds
patent: 1645707 (1927-10-01), Lipp
patent: 1684566 (1928-09-01), Winkler
patent: 1982304 (1934-11-01), Holden
patent: 2060165 (1936-11-01), Borleske
patent: 2077828 (1937-04-01), Dombrowski
patent: 2110226 (1938-03-01), Hill
patent: 2602233 (1952-07-01), Irving
patent: 4942670 (1990-07-01), Brandt
patent: 5371949 (1994-12-01), Delaurier
patent: 5519940 (1996-05-01), Brondfield

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