Supply meter for liquid and gaseous mediums

Signals and indicators – Indicators – Fluid flow

Reexamination Certificate

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Reexamination Certificate

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06851383

ABSTRACT:
The invention relates to a supply meter for liquid or gaseous mediums or electric current. The supply meter is provided with a display device for the medium that passes the supply meter. The entire previous supply is displayed by means of a cumulated meter reading. A verification code can be produced by said meter reading. The verification code display device is mechanically linked to the gear of the supply display device.

REFERENCES:
patent: 1607512 (1926-11-01), Churcher
patent: 2090487 (1937-08-01), Schwartz
patent: 2987247 (1961-06-01), Englund
patent: 3141150 (1964-07-01), Vancsa et al.
patent: 3310801 (1967-03-01), Hood, Jr. et al.
patent: 4593365 (1986-06-01), Haley et al.
patent: 5058525 (1991-10-01), Rilling
patent: 5235565 (1993-08-01), Aschenbrouich et al.
patent: 5419360 (1995-05-01), Lechevalier
patent: 5471137 (1995-11-01), Briese et al.
patent: 5631636 (1997-05-01), Bane
patent: 5798697 (1998-08-01), Wiseman
patent: 6014021 (2000-01-01), Le Van Suu
patent: WO 9848249 (1998-10-01), None
patent: 0124434 (1984-11-01), None
patent: 2772167 (1999-06-01), None

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