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.)
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.)
LANCASTER P R III
Original Assignee
LANCASTER P R III
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 US05/691,019external-prioritypatent/US4077179A/en
Priority claimed from CA279,024Aexternal-prioritypatent/CA1064380A/fr
Application filed by LANCASTER P R IIIfiledCriticalLANCASTER P R III
Priority to CA319,466ApriorityCriticalpatent/CA1064381A/fr
Application grantedgrantedCritical
Publication of CA1064381ApublicationCriticalpatent/CA1064381A/fr