Signals and indicators – Indicators – Liquid level
Patent
1983-10-11
1985-12-10
Frankfort, Charles
Signals and indicators
Indicators
Liquid level
116276, G01F 2302
Patent
active
045572160
ABSTRACT:
The invention is an improved safety sight for liquid level detection in containers of liquids. The safety sight provides a means for such detection of the liquid level in automobile radiators, water tanks, oil tanks and other such vessels. The safety sight is composed of an insert for the vessel containing the liquid, a transparent lens or window piece to observe the liquid level, a retainer to hold the lens or window piece in the insert in the vessel and a seal under the lens or window piece to prevent leaks.
REFERENCES:
patent: 2374142 (1945-04-01), Steven
patent: 2917924 (1959-12-01), Messick
patent: 3248946 (1966-05-01), Lichtenberg
patent: 3687493 (1972-08-01), Lock
patent: 3977251 (1976-08-01), Meginnis
Corr Denis E.
Finch Walter G.
Frankfort Charles
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