Roll-up stop/slow sign
US6003256A · kind A · utility
12Cited by
18References
1Claims
0Family size
Inventors
Key dates
| Filing date | Jun 19, 1996 |
| Grant date | Dec 21, 1999 |
| Priority date | — |
| Expiry date | Jun 19, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F13/0472
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A collapsible sign comprises at least one flexible sheet with a first message bearing side and a second side which has at least one horizontal support member attached to the second side of the sheet. At least one vertical support member is received free of interconnection with the horizontal support members by a pocket attached to the second side of the sheet. The sign includes a fastening device detachably interconnecting the vertical support member to the pocket. After the vertical support member is removed from the pocket, the sheet may be rolled up or rolled around the vertical support member for compact storage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.