Venting system for a product dispensing device

Details Venting system for a product dispensing device Venting system for a product dispensing device

2011-01-25

2011-01-25

Bomberg, Kenneth (Department: 3754)

Dispensing

With discharge assistant

Insertable cartridge or removable container

C222S387000

Reexamination Certificate

active

07874464

ABSTRACT:
A device for containing and dispensing a product includes a piston secured to a base portion and a housing configured to be secured to the base portion, the housing including an open first end for receiving the piston and a second end for dispensing the product. At least one aperture is formed on a portion of the piston to allow air compressed in the device to flow there through.

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U.S. Appl. No. 11/756,111, filed May 31, 2007, Prague.
English Translation of Chinese Office Action (200710149100.0) dated Sep. 8, 2010.

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