U.S. federal trademark · Serial No. 87226638 · Reg. No. 5294443
Automatic control units, namely control units in the nature of vacuum manometers and vacuum gauges with automatic vacuum pump controls and timers, for test apparatus used in performing the Maximum Specific Gravity test in accordance with one or more of AASHTO T209 or ASTM D2041 for evaluating uncompacted asphalt samples or mixtures, or AASHTO T283 or ASTM D4867 for saturation of compacted asphalt samples or mixtures, or construction materials; automatic electrical control units for use with vacuums, shakers, temperature sensors, and accelerometers used for removing air from asphalt samples or mixtures or construction materials; automatic electrical control units for controlling and monitoring operations of test apparatus that are used for removing air from asphalt samples or construction materials; and automatic electrical control units for obtaining and storing data and calculating test results from or relating to test apparatus that are used for removing air from asphalt samples or construction materials
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