78296193
Sep 4, 2003
Theft alarms; apparatus and instruments for testing the integrity of mounting of a precious stone held within a precious stone mounting in jewelry comprising electronic resistors to heat the jewelry setting and thermistor sensors or electronic thermometers to measure the conductive transfer of heat from the stone to the setting; apparatus and instruments for signaling lack of integrity of mounting of a precious stone held within a precious stone mounting in jewelry comprising electronic resistors to heat the jewelry setting, thermistor sensors or electronic thermometers to measure the conductive transfer of heat from the stone to the setting, and an electronic sound emitter and electronic display to indicate the results of said measurement; parts and fittings for all of the aforementioned goods
Electrical and Scientific Apparatusprecious metals and their alloys; jewelry; precious metal mounting for precious stones; precious stones, diamonds; parts and fittings for all of the aforementioned qoods
Jewelry