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.)
Bridgestone Firestone Inc
Original Assignee
Firestone Tire and Rubber Co
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 Firestone Tire and Rubber CofiledCriticalFirestone Tire and Rubber Co
Publication of ES204596A1publicationCriticalpatent/ES204596A1/en
Improvements in the construction of tires characterized by having a layer practically impermeable to the air prepared with a mixture of natural rubber and a soft and flexible copolymer prevulcanizado and thermally plasticized of an isoolefin and a diolefin. (Machine-translation by Google Translate, not legally binding)
ES0204596A1951-07-211952-07-19Improvements in the construction of tires (Machine-translation by Google Translate, not legally binding)
ExpiredES204596A1
(en)