Testut-Aequitas

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4531600 Electrical measurement circuit including a low-pass filter, in particular for weighingExpiredNov 30, 83Jul 30, 85[G01G]
4478093 Dynamometer having a bending beamExpiredMar 07, 83Oct 23, 84[G01L, H01C]
4411162 Gauge wire dynamometer wound and connected in an electrical bridge arrangementExpiredFeb 19, 81Oct 25, 83[G01L]
4394885 Load receiver with improved fixing meansExpiredJan 28, 81Jul 26, 83[G01G]
4366875 Capacity measuring device using ratios of frequenciesExpiredJan 28, 81Jan 04, 83[G01G]
4344496 Integral parallelogram load receiverExpiredNov 13, 80Aug 17, 82[G01L, G01G]
D265467 ScaleExpiredJul 11, 80Jul 20, 82[D100]
4308929 Integral parallelogram charge receiver and capacitive transducerExpiredMar 31, 80Jan 05, 82[G01L, G01G]
4285413 Load receiver with beam having elastic flectionExpiredApr 28, 80Aug 25, 81[G01G]
D254426 ScaleExpiredJan 03, 78Mar 11, 80[D100]
D254427 ScaleExpiredJan 03, 78Mar 11, 80[D100]
4187460 Capacitance measuring by comparison to reference capacitanceExpiredSep 25, 78Feb 05, 80[G01R]

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