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.)
Expired - Lifetime
Application number
AU4631/51A
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.)
British Tabulating Machine Co Ltd
Original Assignee
British Tabulating Machine Co Ltd
Filing date
Publication of AU151739B2publicationCriticalpatent/AU151739B2/en
Application filed by British Tabulating Machine Co LtdfiledCriticalBritish Tabulating Machine Co Ltd