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.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by IndividualfiledCriticalIndividual
Priority to ES1969152186UpriorityCriticalpatent/ES152186Y/en
Publication of ES152186UpublicationCriticalpatent/ES152186U/en
Application grantedgrantedCritical
Publication of ES152186YpublicationCriticalpatent/ES152186Y/en
Sound postal card, characterized in that it consists of two sheets adhered to each other peripherally, between which is inserted a bellows communicated by an interior space between sheets with a bell nozzle mounted on a support adhered to both sheets, whose nozzle is in the vicinity of a hole made in the back sheet to facilitate the entry and exit of air. (Machine-translation by Google Translate, not legally binding)