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HERRAIZ LORANCA AMADOR
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HERRAIZ LORANCA AMADOR
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Application filed by HERRAIZ LORANCA AMADORfiledCriticalHERRAIZ LORANCA AMADOR
Priority to ES0012120UpriorityCriticalpatent/ES12120Y/en
Publication of ES12120UpublicationCriticalpatent/ES12120U/en
Application grantedgrantedCritical
Publication of ES12120YpublicationCriticalpatent/ES12120Y/en
An indicator of fecundity and physiological infecundity, characterized by two discs superimposed one greater and one smaller, carrying the largest twelve departments indicators of the months of the year and the other the days that it contains each month. The smaller disk acts on the greater one by means of an eyelet that allows to move to this disc in any direction and that takes three divisions containing each of them four lines with different distance between the adames and that allow to indicate on the days and months of the disc greater the fertility and infertility period according to the first day of the last menstruation, taking between these three divisions, three spaces of equal distance, in order to compute and adjust the calculation between periods. (Machine-translation by Google Translate, not legally binding)
ES0012120U1945-11-021945-11-02
Indicator of fertility and physiological infertility.
ExpiredES12120Y
(en)
Simplified device of numerator dater, based on printing plate and insert year indicator adaptable to said plate (Machine-translation by Google Translate, not legally binding)
System of superimposed discs comprising the tables of adding, subtracting, multiplying and dividing. (Machine-translation by Google Translate, not legally binding)