发明名称 |
Indicator aid for blind - is fan with three large black circles which is opened up to indicate desire to cross road |
摘要 |
<p>An indicator for use by the blind is in the form of a fan that may be used for crossing roads. The fan has two components pinned together at one end(e). An indent (d) maintains the fan open to display three distinctive black circular patterns on both sides. It can be folded up for carrying in the pocket or handbag.</p> |
申请公布号 |
DE2810011(A1) |
申请公布日期 |
1979.09.13 |
申请号 |
DE19782810011 |
申请日期 |
1978.03.08 |
申请人 |
LANG,MAX |
发明人 |
LANG,MAX |
分类号 |
G09F7/00;(IPC1-7):09F7/00;45B27/00;09F13/16;09B19/00 |
主分类号 |
G09F7/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|