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
CA20397F
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.)
Hoover Co
Original Assignee
Hoover Co
Publication date
Priority to CA20397FpriorityCriticalpatent/CA20397S/en
Application grantedgrantedCritical
Publication of CA20397SpublicationCriticalpatent/CA20397S/en