Stackable barrier with connector
US9016668B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 28, 2011 |
| Grant date | Apr 28, 2015 |
| Priority date | — |
| Expiry date | Jul 28, 2031 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04H9/10
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A barrier includes a housing having an exterior surface and an interior surface, the exterior surface having a front face and an opposing back face each extending between a top face and an opposing bottom face and also between a first side face and an opposing second side face, the interior surface bounding a chamber that is adapted to receive a ballast. An elongated first locking groove is recessed on the front face and extends between the top face and the opposing bottom face, the first locking groove including an elongated channel extending between the top face and the bottom face and a constricted mouth through which the channel can be accessed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.