Dip stick

Details Dip stick Dip stick

1975-07-23

1977-05-10

Martin, Jr., William D.

Geometrical instruments

Area integrators

Electrical

G01F 2304

Patent

active

040219240

ABSTRACT:
A fluid-level indicating device, such as a dip stick, adapted for insertion into the access tube of a fluid reservoir wherein the device includes a friction reducing member at the leading end of the measuring member for facilitating free passage of the measuring member through an irregularly-shaped access tube.

REFERENCES:
patent: 1890607 (1932-12-01), Hite
patent: 2705372 (1955-04-01), Cornell
patent: 2862782 (1958-12-01), Cann, Sr.
patent: 3571937 (1971-03-01), Sears
patent: 3885317 (1975-05-01), Karls

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