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
CA191,327A
Inventor
John W. Smith
Lewis A. Paulsen
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.)
Edward C Levy Co
Original Assignee
Edward C Levy Co
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
Priority claimed from US00353592Aexternal-prioritypatent/US3802554A/en
Application filed by Edward C Levy CofiledCriticalEdward C Levy Co
Application grantedgrantedCritical
Publication of CA992905ApublicationCriticalpatent/CA992905A/en