Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1989-04-28
1990-01-16
Orsino, Joseph A.
Communications: electrical
Condition responsive indicating system
Specific condition
62131, 340585, G08B 2300
Patent
active
048946435
ABSTRACT:
An aural or visual alarm is arranged to be actuated upon leaving a door to an appliance open longer than a preselected period of time. An automatically resettable disarming device may be included to permit leaving the door open intentionally for an extended time to permit appliance cleaning or the like.
REFERENCES:
patent: 4707684 (1987-11-01), Janke et al.
Doell Glenn J.
Thompson Herbert A.
Haug John A.
McAndrews James P.
Orsino Joseph A.
Sharp Melvin
Sutcliffe Geoff
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