Measuring and testing – Liquid level or depth gauge – With illumination
Reexamination Certificate
2006-03-28
2006-03-28
Williams, Hezron (Department: 2856)
Measuring and testing
Liquid level or depth gauge
With illumination
Reexamination Certificate
active
07017408
ABSTRACT:
The electro-optic liquid level sensing system detects a level of liquid in a container having an upper opening, such as for a server container of a beverage maker for a transport system, such as for aircraft, trains, trucks, buses and the like. A support housing mates with the upper opening of the container, and a primary liquid level sensor is mounted in the support housing for non-intrusively measuring the liquid level. A secondary liquid level sensor may be mounted in the support housing to sense a predetermined liquid level to prevent accidental overflows. Protective lenses may be placed in front of the primary liquid level sensor.
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DeBald Keith R.
Dettmer Joseph C.
Fliess Winston S.
Ramus Sebastien A.
Be Intellectual Property, Inc.
Fulwider Patton LLP
West Paul M.
Williams Hezron
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