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
Application number
AU42187/68A
Inventor
D. Drum Daniel
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.)
NATIONAL DUST COLLECTOR OF CANADA Ltd
Original Assignee
NATIONAL DUST COLLECTOR OF CANADA Ltd
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 NATIONAL DUST COLLECTOR OF CANADA LtdfiledCriticalNATIONAL DUST COLLECTOR OF CANADA Ltd
Publication of AU4218768ApublicationCriticalpatent/AU4218768A/en