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
CA3181F
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.)
Bergman Frederick W
Original Assignee
Bergman Frederick W
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 Bergman Frederick WfiledCriticalBergman Frederick W
Application grantedgrantedCritical
Priority to CA3181FpriorityCriticalpatent/CA3181S/en
Publication of CA3181SpublicationCriticalpatent/CA3181S/en