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.)
United States Pipe and Foundry Co LLC
Original Assignee
United States Pipe and Foundry Co LLC
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 United States Pipe and Foundry Co LLCfiledCriticalUnited States Pipe and Foundry Co LLC
Priority to ES0241063ApriorityCriticalpatent/ES241063A2/es
Publication of ES241063A2publicationCriticalpatent/ES241063A2/es
Mejoras introducidas en el objeto de la patente principal nº. 235.179, por un dispositivo de empaquetadura anular, caracterizadas porque se provee una empaquetadura homogenea anular axilmente alargada.
ES0241063A1958-03-281958-03-28Un dispositivo de empaquetadura anular
ExpiredES241063A2
(es)