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
CA760137A
Inventor
C. Schrock Donald
Original Assignee
Crane Co
Publication date
Application grantedgrantedCritical
Publication of CA760137ApublicationCriticalpatent/CA760137A/en