![]() ![]() 238000003475 lamination Methods 0.000 claims description 4. ![]() 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 Satya Pal Asija filed Critical Satya Pal Asija Priority to US05/665,104 priority Critical patent/US4021950A/en Application granted granted Critical Publication of US4021950A publication Critical patent/US4021950A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US05/665,104 Inventor Satya Pal Asija Original Assignee Satya Pal Asija Priority date (The priority date is an assumption and is not a legal conclusion. #Beautiful magic window pdfGoogle Patents US4021950A - Magic windowÄownload PDF Info Publication number US4021950A US4021950A US05/665,104 US66510476A US4021950A US 4021950 A US4021950 A US 4021950A US 66510476 A US66510476 A US 66510476A US 4021950 A US4021950 A US 4021950A Authority US United States Prior art keywords paper aperture creases square piece vertical Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. ![]()
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