Dual gauge indicating device

Details Dual gauge indicating device Dual gauge indicating device

1977-11-03

1978-12-12

Swisher, S. Clement

Measuring and testing

Liquid level or depth gauge

Float

73320, 73432A, G01F 2308, G01F 2312

Patent

active

041290399

ABSTRACT:
A dual gauge device for simultaneously indicating the quantity of liquid in a container and the amount of liquid that has been added to the container during a selected period of time irrespective of the amount of liquid withdrawn from the container during the same period of time.

REFERENCES:
patent: 953261 (1910-03-01), Donisthorpe
patent: 1108489 (1914-08-01), Campbell
patent: 1300327 (1919-04-01), Benjamin
patent: 1453716 (1923-05-01), Maggill
patent: 1570481 (1926-01-01), Grain
patent: 1679285 (1928-07-01), Wright
patent: 2716341 (1955-08-01), Ilfrey
patent: 2722835 (1955-11-01), Ragland

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