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.)
SANCHIS VIDAL ADOLFO
Original Assignee
SANCHIS VIDAL ADOLFO
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Filing date
Publication date
Application filed by SANCHIS VIDAL ADOLFOfiledCriticalSANCHIS VIDAL ADOLFO
Priority to ES0072504UpriorityCriticalpatent/ES72504Y/en
Publication of ES72504UpublicationCriticalpatent/ES72504U/en
Application grantedgrantedCritical
Publication of ES72504YpublicationCriticalpatent/ES72504Y/en
Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds
(AREA)
Table Devices Or Equipment
(AREA)
Abstract
Auxiliary device for the teaching of geometry, consisting of a disk of transparent material with a small through hole in its center, characterized by having two narrow windows, parallel to each other and elongated whose internal straight edges serve as a rule for drawing lines, with some graduations drawn in English inches and millimeters and linear centimeters. (Machine-translation by Google Translate, not legally binding)
ES0072504U1959-03-231959-03-23
Auxiliary device for teaching geometry
ExpiredES72504Y
(en)