Control barrier with rotatable legs
US7789585B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 1, 2009 |
| Grant date | Sep 7, 2010 |
| Priority date | — |
| Expiry date | Jun 1, 2029 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01F13/022
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A control barrier includes a barrier wall having a front face and an opposing back face each extending between a top end and an opposing bottom end, a first recess being formed on the front face at the bottom end of the barrier wall. A first slot extends through the barrier wall from the first recess to the back face. A first foot coupled with the barrier wall and being movable between a first position wherein the first foot is at least partially disposed within the recess of the barrier wall and a second position wherein the first foot is rotated a least 45° relative to the first position and is removably positioned within the slot extending through the barrier wall.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.