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
CA1261F
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.)
WILLIAM C ALLISON
Original Assignee
WILLIAM C ALLISON
Publication date
Priority to CA1261FpriorityCriticalpatent/CA1261S/en
Application grantedgrantedCritical
Publication of CA1261SpublicationCriticalpatent/CA1261S/en