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
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Publication date
Application filed by IndividualfiledCriticalIndividual
Priority to ES0049536UpriorityCriticalpatent/ES49536Y/en
Publication of ES49536UpublicationCriticalpatent/ES49536U/en
Application grantedgrantedCritical
Publication of ES49536YpublicationCriticalpatent/ES49536Y/en
An improved paper sack, characterized by the constitution of a cargo loading valve (of any nature), consisting of a vacuum closed at the top by machine chain stitching, union that also allows the opening of the bag and emptying it by a simple unstitching. (Machine-translation by Google Translate, not legally binding)
ES0049536U1955-08-101955-08-10
Perfected paper sack
ExpiredES49536Y
(en)
A bag or container with automatic closing valve for all kinds of powder and grain products (Machine-translation by Google Translate, not legally binding)
Cover for closing and sealing the mouths of bags, bags and containers that are provided with longitudinal flaps (Machine-translation by Google Translate, not legally binding)
Cover for closing and sealing the mouths of bags, bags and containers that are provided with longitudinal flaps (Machine-translation by Google Translate, not legally binding)