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
CA021878A
Inventor
W. Woodruff William
E. Rhinehart Vance
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.)
Cumberland Corp
Original Assignee
Cumberland Corp
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 Cumberland CorpfiledCriticalCumberland Corp
Application grantedgrantedCritical
Publication of CA919106ApublicationCriticalpatent/CA919106A/en