Reservoir tank

Details Reservoir tank Reservoir tank

1980-07-21

1982-06-22

Lowrance, George E.

Receptacles

Container attachment or adjunct

Pressure relief means

60537, 73323, 116227, 220 82A, 220377, B65D 2554, B65D 2556, G01F 2302

Patent

active

043358250

ABSTRACT:
The invention is related to a reservoir tank receiving liquid therein and having a peep hole in a side wall for visually inspecting the interior of the tank. The peep hole is formed by a cup-shaped member having a transparent bottom wall, a cylindrical side wall sealingly fitted into an opening formed in the side wall of the reservoir tank, and a plurality of retaining portions formed adjacent the open end portion of the cup-shaped member for engagement with the peripheral edge of the opening.

REFERENCES:
patent: 2917924 (1959-12-01), Messick
patent: 3000345 (1961-09-01), Gray
patent: 3096648 (1963-07-01), Dombeck
patent: 3248946 (1966-05-01), Litchenberg
patent: 4133287 (1979-01-01), Downs
patent: 4166431 (1979-09-01), Pickering

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