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
CA679884A
Inventor
J. A. Davis Edward
L. Davis Frederick
D. Berry Francis
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.)
London Rubber Co Ltd
Original Assignee
London Rubber Co Ltd
Publication date
Application grantedgrantedCritical
Publication of CA679884ApublicationCriticalpatent/CA679884A/en