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United States of America Patent
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Apr 22, 1997
Grant Date -
N/A
app pub date -
Aug 11, 1994
filing date -
Aug 11, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A novel electronic device is provided that primarily is connected to a vehicle and programmed to alert its operator as to when to perform preventive maintenance task, such as change engine oil or replace brakes. The device alerts from the actual time the equipment is in use, as opposed to the net forward mileage. The device can either be original equipment or after-market retrofit. The disclosure has secondary uses in heavy-equipment, refrigeration, fire safety, and recreational vehicles.
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