Alert-O-Brake Systems Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5285020 Control system for weighing of load in hydraulically operated lift assemblyExpiredJul 22, 92Feb 08, 94[G01G]
4949263 Load handling vehicle monitoring systemExpiredJul 18, 88Aug 14, 90[G04F]
4793661 Tractor-trailer fluid pressure brake monitoring systemExpiredSep 28, 87Dec 27, 88[B60T]
4757712 Electric monitoring system for load handling vehiclesExpiredJun 01, 87Jul 19, 88[G04F]
4712422 Tractor-trailer fluid pressure brake monitoring systemExpiredAug 19, 86Dec 15, 87[G01L]

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