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
CA241,624A
Inventor
Henry Smit
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.)
HENRY SMIT
Original Assignee
HENRY SMIT
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 US00263147Aexternal-prioritypatent/US3818748A/en
Priority claimed from CA167,733Aexternal-prioritypatent/CA1002384A/en
Application filed by HENRY SMITfiledCriticalHENRY SMIT
Priority to CA241,624ApriorityCriticalpatent/CA1012056A/en
Application grantedgrantedCritical
Publication of CA1012056ApublicationCriticalpatent/CA1012056A/en