Invention Grant
- Patent Title: Retroreflective elements
- Patent Title (中): 回射元件
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Application No.: US14234241Application Date: 2012-09-20
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Publication No.: US09110236B2Publication Date: 2015-08-18
- Inventor: Junichi Saito , Toshihiro Kasai , Yuji Hiroshige , Mayumi Yoshikawa
- Applicant: 3M INNOVATIVE PROPERTIES COMPANY
- Applicant Address: US MN St. Paul
- Assignee: 3M Innovative Properties Company
- Current Assignee: 3M Innovative Properties Company
- Current Assignee Address: US MN St. Paul
- Agent Trisha D. Adamson
- International Application: PCT/US2012/056359 WO 20120920
- International Announcement: WO2013/043884 WO 20130328
- Main IPC: G02B5/128
- IPC: G02B5/128 ; E01F9/04
Abstract:
The present application relates to a pavement marker including a core from which extends protrusions and a cavity between adjacent protrusions. The microsphere lenses are fixed within the cavity by one of a softening material disposed in the core and an adhesive agent disposed in the cavity.
Public/Granted literature
- US20140233102A1 Retroreflective Elements Public/Granted day:2014-08-21
Information query
