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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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to ES0059501UpriorityCriticalpatent/ES59501Y/en
Publication of ES59501UpublicationCriticalpatent/ES59501U/en
Application grantedgrantedCritical
Publication of ES59501YpublicationCriticalpatent/ES59501Y/en
Rule for the drawing of parallels, characterized by being transparent material, preferably Plexiglas for observation during use of the rest of the drawing, provided in an internal casting of a shaft joining two knurled metal rollers that rotate to the same angular speed when sliding the rule on the paper, which will do so in parallel without the possibility of rotation. (Machine-translation by Google Translate, not legally binding)
ES0059501U1957-04-121957-04-12
Ruler for drawing parallels
ExpiredES59501Y
(en)