Fluid flow indicator
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United States of America Patent
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Jul 8, 1997
Grant Date -
N/A
app pub date -
Jul 28, 1994
filing date -
Jul 28, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A fluid flow indicator is presented particularly for use within an existing gasoline pumping apparatus. The fluid flow indicator includes an outer cage member, a first hollow transparent cylindrical member contained within the outer cage member, and a second hollow transparent cylindrical member concentrically retained within the first hollow transparent cylindrical member. The fluid flow indicator may also include a filter member and fluid movement detection means contained within the second hollow transparent cylindrical member. The fluid flow indicator is especially designed to be retrofitted within any existing fluid flow line.
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