Tread ballast or weight for temporary traffic control devices and posts
US5421668A · kind A · utility
15Cited by
18References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 27, 1994 |
| Grant date | Jun 6, 1995 |
| Priority date | — |
| Expiry date | Jun 27, 2014 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01F9/688
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A weight or ballast for a temporary traffic control device or post is made of one or more tire tread sections. An opening extending through or formed by the tread sections is sized to receive an upstanding portion of the device or post.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.