Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1994-08-11
1997-04-22
Hofsass, Jeffery
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
34030915, 340457, 340459, 364424034, G08B 1900
Patent
active
056232470
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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Hofsass Jeffery
Lefkowitz Edward
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