Barriers
US8915487B2 · kind B2 · utility
1Cited by
12References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 3, 2011 |
| Grant date | Dec 23, 2014 |
| Priority date | — |
| Expiry date | Aug 3, 2031 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01F15/085
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A barrier is provided, including opposed longitudinal side members separated by a gap, supports which hold the side members above the ground; and at least one U-shaped member when viewed in transverse cross section which is/are connected to the opposed members to span between the gap and wherein the at least one U-shaped member does not contact the supports.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.