CA1300181CCA 528986CA528986ACA1300181CCA 1300181 CCA1300181 CCA 1300181CCA 528986 CA528986 CA 528986CA 528986 ACA528986 ACA 528986ACA 1300181 CCA1300181 CCA 1300181C
Authority
CA
Canada
Prior art keywords
panel
chains
chain
panels
shutter
Prior art date
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.)
LUMITTER INDUSTRY Co Ltd
Bunka Shutter Co Ltd
Original Assignee
LUMITTER INDUSTRY Co Ltd
Bunka Shutter Co Ltd
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 LUMITTER INDUSTRY Co Ltd, Bunka Shutter Co LtdfiledCriticalLUMITTER INDUSTRY Co Ltd
Priority to CA 528986priorityCriticalpatent/CA1300181C/fr
Application grantedgrantedCritical
Publication of CA1300181CpublicationCriticalpatent/CA1300181C/fr