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
CA030791A
Inventor
W. Blaszczak Joseph
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.)
Individual
Original Assignee
Individual
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 IndividualfiledCriticalIndividual
Priority to CA030791ApriorityCriticalpatent/CA928297A/en
Priority to GB1058270Aprioritypatent/GB1251787A/en
Priority to CA173,718Aprioritypatent/CA954872A/en
Application grantedgrantedCritical
Publication of CA928297ApublicationCriticalpatent/CA928297A/en