Invention Grant
US07707759B2 Device for retaining a placard within a placard holder, and methods and systems thereof
失效
用于将标牌保持在标牌内的装置及其方法和系统
- Patent Title: Device for retaining a placard within a placard holder, and methods and systems thereof
- Patent Title (中): 用于将标牌保持在标牌内的装置及其方法和系统
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Application No.: US10593906Application Date: 2005-03-17
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Publication No.: US07707759B2Publication Date: 2010-05-04
- Inventor: Dwight Roberts
- Applicant: Dwight Roberts
- International Application: PCT/US2005/009040 WO 20050317
- International Announcement: WO2005/091256 WO 20050929
- Main IPC: G09F7/00
- IPC: G09F7/00
Abstract:
A retaining device for improving the functionality of placard holders when the placard holder is subject to transient atmospheric conditions. The retaining device includes a member used in conjunction with a placard holder to more fully secure a placard with the placard holder when transient atmospheric conditions are encountered. The retaining device may be adapted to use with many designs of placard holders, including, but not limited to, U.S. Department of Transportation approved hazardous material information placard holders.
Public/Granted literature
- US20070163161A1 Device for retaining a placard within a placard holder, and methods and systems thereof Public/Granted day:2007-07-19
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