Pump liquid product dispenser

Details Pump liquid product dispenser Pump liquid product dispenser

2003-02-05

2008-12-23

Nicolas, Frederick C. (Department: 3754)

Dispensing

With discharge assistant

With movable nozzle interconnected therewith

C222S321200, C222S321700

Reexamination Certificate

active

07467732

ABSTRACT:
A liquid product dispenser includes a reservoir and a pump. The pump body includes an outer portion forming a sealing closure between the pump body and the reservoir nozzle and the pump body includes an annular projection extending inwards, molded in one single piece, while the piston includes an annular stop co-operating with the annular projection to define a released position of the piston.

REFERENCES:
patent: 3064310 (1962-11-01), Cooprider
patent: 3180534 (1965-04-01), Duda et al.
patent: 3237571 (1966-03-01), Corsette
patent: 3877616 (1975-04-01), Stevens
patent: 3877617 (1975-04-01), Stevens
patent: 4034900 (1977-07-01), Hafele
patent: 4524888 (1985-06-01), Tada
patent: 4735347 (1988-04-01), Schultz et al.
patent: 6006955 (1999-12-01), Bouix
patent: 6053371 (2000-04-01), Durliat et al.
patent: 2005/0167452 (2005-08-01), Bougamont

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