Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Schlumberger Well Surveying Corp
Original Assignee
Schlumberger Well Surveying Corp
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Filing date
Publication date
Application filed by Schlumberger Well Surveying CorpfiledCriticalSchlumberger Well Surveying Corp
Publication of ES219699A1publicationCriticalpatent/ES219699A1/es
Dispositivo de volteo automático para arados y otros instrumentos agrícolas reversibles del género en el que se hace uso de un muelle de tensión para provocar el volteo y en el que este muelle solo actúa efectivamente durante el primer cuarto de vuelta, caracterizado porque este muelle está dispuesto de manera que desembrague su propia acción cuando el mismo ha terminado su efecto, y esto sin la intervención de ningún dispositivo especial.
ES0219699A1952-08-051953-07-31UN APARATO PARA REGISTRO DE POZOS POR INDUCCIoN
ExpiredES219699A1
(es)