Electricity: circuit makers and breakers – Fluid pressure – Diaphragm
Reexamination Certificate
2006-09-26
2006-09-26
Friedhofer, Michael (Department: 2832)
Electricity: circuit makers and breakers
Fluid pressure
Diaphragm
C200S08100R
Reexamination Certificate
active
07112753
ABSTRACT:
A water pressure switch employs two pivotable plates and springs to control the activation of the pump. The arrangement of the two pivotably plates, the springs and the activation device reduces the space required so that a small box can accommodate all the parts.
REFERENCES:
patent: 5872345 (1999-02-01), Takahashi et al.
patent: 5889247 (1999-03-01), Homol
patent: 6621021 (2003-09-01), Pechhold et al.
patent: D497145 (2004-10-01), Seo
patent: 6983641 (2006-01-01), Perry et al.
patent: 7038151 (2006-05-01), Amaduzzi
Friedhofer Michael
Klaus Lisa
Rosenberg , Klein & Lee
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