(under subclass 1.08) Subject matter wherein either (a) the apparatus for proving or calibrating or (b) the device being proven or calibrated measures, tests, or is responsive to a measure of the heaviness of an object.
SEE OR SEARCH CLASS
177, Weighing Scales, appropriate subclasses, in particular
50, for a weighing scale combined with testing wherein more structure of the force measuring device is recited than is necessary to describe the calibrating apparatus.
