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.)
Sweco Inc
Original Assignee
Sweco Inc
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 US340087Aexternal-prioritypatent/US3868326A/en
Application filed by Sweco IncfiledCriticalSweco Inc
Application grantedgrantedCritical
Publication of AU6603774ApublicationCriticalpatent/AU6603774A/en
Publication of AU486626B2publicationCriticalpatent/AU486626B2/en