Fluent material handling – with receiver or receiver coacting mea – With material treatment – Heating or cooling
Reexamination Certificate
2007-04-24
2007-04-24
Douglas, Steven O. (Department: 3751)
Fluent material handling, with receiver or receiver coacting mea
With material treatment
Heating or cooling
C141S301000, C222S146500, C219S432000
Reexamination Certificate
active
11255681
ABSTRACT:
This invention relates to a safety cut-off for any type of device for domestic use which is designed to produce pressurized vapor for different purposes. The invention also relates to a safety cut-off for any type of device for domestic use which is designed to produce pressurized steam for different purposes, such as to avoid the risk of accidents by scalding when filling with water, when pressurized steam exists in the steam chamber.
REFERENCES:
patent: 3865277 (1975-02-01), Rimini
patent: 4274588 (1981-06-01), Schwob
patent: 5490448 (1996-02-01), Weller et al.
patent: 7091455 (2006-08-01), Fung et al.
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