Fluid sprinkling – spraying – and diffusing – Combining of separately supplied fluids – Liquid flow induces atmospheric air
Reexamination Certificate
2001-12-26
2004-05-11
Evans, Robin O. (Department: 3752)
Fluid sprinkling, spraying, and diffusing
Combining of separately supplied fluids
Liquid flow induces atmospheric air
C239S025000, C239S438000, C239S443000, C239S289000, C601S165000
Reexamination Certificate
active
06732956
ABSTRACT:
This application is a U.S. national filing of PCT Application No. PCT/FR00/01869, filed Jun. 30 2000.
The invention is a water pick for cleaning the interdental spaces which provides specific improvements for permitting its practical domestic use on the running water system after rapid connection to the spout of a faucet.
The principal objective of a water pick is to clean the interdental spaces that are difficult to reach with toothbrushes and where cariogenic food debris becomes deposited.
REFERENCES:
patent: 3227380 (1966-01-01), Pinkston
patent: 3468306 (1969-09-01), Heitzman
patent: 4133482 (1979-01-01), Moret
patent: 4138064 (1979-02-01), Moret
patent: 5385533 (1995-01-01), Coviello
patent: 5387182 (1995-02-01), Otani
patent: 5799987 (1998-09-01), Sampson
Chetrit Michaël
Chetrit Yaun
Cohen Emmanuel
Evans Robin O.
Fenster + Company
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