Measuring and testing – Liquid level or depth gauge – Sight glass
Patent
1979-06-15
1980-09-02
Yasich, Daniel M.
Measuring and testing
Liquid level or depth gauge
Sight glass
73322, 62125, G01F 2302, G01F 2306
Patent
active
042200482
ABSTRACT:
A cooler and level indicator for beer kegs comprising an insulated container for holding iced water in contact with a keg of beer, an insulated cover for sealing the container and an externally readable level gauge for indicating the iced water level, said level being proportional to the amount of beer remaining in the keg after the keg becomes buoyant.
REFERENCES:
patent: 2792692 (1957-05-01), Bryan
patent: 3212335 (1965-10-01), Guiffre
patent: 3311267 (1967-03-01), Lee et al.
patent: 3956934 (1976-05-01), White
Grepiotis John A.
Grepiotis Joseph A.
Roskos Joseph W.
Yasich Daniel M.
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