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.)
LEON CORONAS VICTORIO
Original Assignee
LEON CORONAS VICTORIO
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 LEON CORONAS VICTORIOfiledCriticalLEON CORONAS VICTORIO
Priority to ES0008782UpriorityCriticalpatent/ES8782Y/en
Publication of ES8782UpublicationCriticalpatent/ES8782U/en
Application grantedgrantedCritical
Publication of ES8782YpublicationCriticalpatent/ES8782Y/en
Letter-envelope, characterized by constituting the writing paper and the one-piece envelope by its corresponding special form. (Machine-translation by Google Translate, not legally binding)
ES0008782U1942-09-101942-09-10
Letter about.
ExpiredES8782Y
(en)
A system of letters and numbers of the numbering system, in its different characters, for the learning of reading and writing in children (Machine-translation by Google Translate, not legally binding)