Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate
2008-03-18
2008-03-18
La, Anh V. (Department: 2612)
Communications: electrical
Condition responsive indicating system
Specific condition
C340S616000, C340S606000, C340S612000, C340S870030, C366S061000
Reexamination Certificate
active
11186127
ABSTRACT:
At least one embodiment of the inventive technology claimed herein seeks to reduce the risk of the excessive admixing of water during a concrete wetting operation by providing a system that alerts, with at least one water flow indicator, at least one individual having the ability to readily terminate the water admixing operation either that water is currently being added and/or perhaps that a certain time of water addition has elapsed. At least one embodiment of the inventive technology includes a proximity switch.
REFERENCES:
patent: 4846581 (1989-07-01), Osterlund et al.
patent: 5436615 (1995-07-01), Williams
patent: 5966311 (1999-10-01), Stemporzewski et al.
patent: 5969619 (1999-10-01), Niemiro et al.
patent: 6484079 (2002-11-01), Buckelew et al.
patent: 7023351 (2006-04-01), Park
patent: 2-121803 (1990-05-01), None
La Anh V.
Santangelo Law Offices P.C.
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