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 ES111147UpriorityCriticalpatent/ES111147U/en
Publication of ES111147UpublicationCriticalpatent/ES111147U/en
239000011796hollow space materialSubstances0.000abstract1
Landscapes
Footwear And Its Accessory, Manufacturing Method And Apparatuses
(AREA)
Abstract
A sound shoe characterized essentially by the fact of comprising a sole made of elastic and hollow material forming inside it an air chamber and carrying in its bottom a hollow cylindrical rubber hollow and open in the middle so that when treading the sole the air which is inside it is expelled through a hole where there is a whistle which sounds when the air passes and when you stop pressing the soles the stops recover their initial position by sucking air the chamber formed by the sole through another whistle which dreams. (Machine-translation by Google Translate, not legally binding)
ES111147U1965-02-041965-02-04Sound shoe (Machine-translation by Google Translate, not legally binding)
PendingES111147U
(en)