ES207715U - Drawing instrument to obtain geometric symbols and figures. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Drawing instrument to obtain geometric symbols and figures. (Machine-translation by Google Translate, not legally binding)
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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Priority to ES1974207715UpriorityCriticalpatent/ES207715Y/en
Publication of ES207715UpublicationCriticalpatent/ES207715U/en
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Publication of ES207715YpublicationCriticalpatent/ES207715Y/en
Drawing instrument for obtaining symbols and geometric figures, characterized in that said instrument makes a revolving movement around a coupling element or fixed sliding center and has in its circular term of perforations or openings that delimit the figures, symbols or part of both, arranged in concentric positions or in such a way that said positions are combined so as to be able to represent, by one or more perforations, the figures or symbols that by rotation composition of their circular plane give rise to said grooves, when inserted perpendicularly to the one ink tip or graph, in the concatenated positions of the signaling holes of its radial axes. (Machine-translation by Google Translate, not legally binding)
ES1974207715U1974-11-211974-11-21
DRAWING INSTRUMENT TO OBTAIN GEOMETRIC SYMBOLS AND FIGURES.
ExpiredES207715Y
(en)