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
CA867009A
Inventor
David Folkes
Original Assignee
FOLD-WAY COVERS Ltd
Publication date
Application grantedgrantedCritical
Publication of CA867009ApublicationCriticalpatent/CA867009A/en