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
CA238,445A
Inventor
James G. Baker
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.)
Polaroid Corp
Original Assignee
Polaroid 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
Priority claimed from CA130,140Aexternal-prioritypatent/CA996394A/en
Application filed by Polaroid CorpfiledCriticalPolaroid Corp
Priority to CA238,445ApriorityCriticalpatent/CA999179A/en
Application grantedgrantedCritical
Publication of CA999179ApublicationCriticalpatent/CA999179A/en