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Priority to ES0054978UpriorityCriticalpatent/ES54978Y/en
Publication of ES54978UpublicationCriticalpatent/ES54978U/en
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Publication of ES54978YpublicationCriticalpatent/ES54978Y/en
An improved thread counter, characterized in that the support plate that frames the field of vision, has its sides cut into a dovetail on which sliding pieces with smaller boxes drilled in the center of them can be slid, existing in the ends of the bevelled sides, folding abutments that prevent in one of their positions, that the sliding pieces may come out. (Machine-translation by Google Translate, not legally binding)
ES0054978U1956-06-201956-06-20
A perfected thread count
ExpiredES54978Y
(en)