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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Priority to ES115926ApriorityCriticalpatent/ES115926A1/es
Publication of ES115926A1publicationCriticalpatent/ES115926A1/es
ES115926A1929-12-051929-12-05Procedimiento para la fabricación de un lápiz, compuesto de una mina envuelta por una hoja de madera.
ExpiredES115926A1
(es)