![]() ![]() ![]() 229920000122 Acrylonitrile butadiene styrene Polymers 0.000 description 2.VHOQXEIFYTTXJU-UHFFFAOYSA-N 2-methylbuta-1,3-diene 2-methylprop-1-ene Chemical compound CC(C)=C.CC(=C)C=C VHOQXEIFYTTXJU-UHFFFAOYSA-N 0.000 description 2.230000002093 peripheral Effects 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 ASTRO OPTICS CORP filed Critical ASTRO OPTICS CORP Priority to US06/036,753 priority Critical patent/US4221498A/en Application granted granted Critical Publication of US4221498A publication Critical patent/US4221498A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Original Assignee ASTRO OPTICS 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 or warranty as to the accuracy of the list.) Nagel Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US06/036,753 Inventor Arthur P. Google Patents Roadside barrier reflectorÄownload PDF Info Publication number US4221498A US4221498A US06/036,753 US3675379A US4221498A US 4221498 A US4221498 A US 4221498A US 3675379 A US3675379 A US 3675379A US 4221498 A US4221498 A US 4221498A Authority US United States Prior art keywords reflector flattened angle retroreflectivity flattened body Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US4221498A - Roadside barrier reflector ![]()
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