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.)
Universal Oil Products Co
Original Assignee
Universal Oil Products 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
Priority claimed from US534624Aexternal-prioritypatent/US3414525A/en
Priority claimed from US534625Aexternal-prioritypatent/US3326958A/en
Application filed by Universal Oil Products CofiledCriticalUniversal Oil Products Co
Publication of ES338053A1publicationCriticalpatent/ES338053A1/es