Sprayer with changeable volume

Details Sprayer with changeable volume Sprayer with changeable volume

2006-10-10

2006-10-10

Scherbel, David A. (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Including supply holder for material

Collapsible or foldable supply holder

C239S329000, C239S332000, C239S375000, C222S092000, C222S143000

Reexamination Certificate

active

07118050

ABSTRACT:
A sprayer with a changeable volume includes a container, a pump, a first pipe, a second pipe and a nozzle. The container includes an upper wall and a lower wall. The upper wall can be compressed while not containing water and extensible for containing water. The lower wall is connected to the upper wall. The pump is put in a space defined in the lower wall. The first pipe is led to the pump from a space defined in the upper wall. The second pipe is led to the exterior of the container from the pump. The nozzle is connected to the second pipe.

REFERENCES:
patent: 3726443 (1973-04-01), Harris
patent: 4592492 (1986-06-01), Tidmore
patent: 5607082 (1997-03-01), Cracauer
patent: 5636791 (1997-06-01), Leer
patent: 5667101 (1997-09-01), Barrash et al.
patent: 5752661 (1998-05-01), Lewis
patent: 6431406 (2002-08-01), Pruett
patent: 6641002 (2003-11-01), Gerenraich et al.
patent: 6763973 (2004-07-01), Hudkins
patent: 2002/0113101 (2002-08-01), Skillern

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