Dispenser with indicator

Details Dispenser with indicator Dispenser with indicator

1988-07-07

1992-02-18

Valenza, Joseph E.

Dispensing

With recorder, register, indicator, signal or exhibitor

Flow and/or overflow type

222136, B67D 538

Patent

active

050886231

ABSTRACT:
A dispenser comprising, a container having a chamber for retaining a flowable material, and a nozzle defining an outlet orifice. The dispenser has a device for pumping the material through the orifice. The dispenser has a first flowable material of a first regular color arranged in the chamber to be pumped first through the orifice. The dispenser also has a second flowable material of a second color which contrasts with the first color arranged in the chamber to be pumped last through the orifice when the chamber is nearly empty of the material.

REFERENCES:
patent: 2789731 (1957-04-01), Marrafini
patent: 3184120 (1965-05-01), Undi
patent: 3442424 (1969-05-01), Prussin et al.
patent: 4437591 (1984-03-01), van Schuckmann
patent: 4461403 (1984-07-01), Prahs
patent: 4673106 (1987-06-01), Fishman
patent: 4782983 (1988-11-01), Cook

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