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
CA088841A
Inventor
A. Schaeffer Hans
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.)
J B WILLIAMS Co
Original Assignee
J B WILLIAMS Co
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 J B WILLIAMS CofiledCriticalJ B WILLIAMS Co
Priority to CA088841ApriorityCriticalpatent/CA936805A/en
Application grantedgrantedCritical
Publication of CA936805ApublicationCriticalpatent/CA936805A/en