Sectional interlocking barrier bags
US7329069B2 · kind B2 · utility
17Cited by
21References
20Claims
0Family size
Inventors
Key dates
| Filing date | Jul 11, 2003 |
| Grant date | Feb 12, 2008 |
| Priority date | — |
| Expiry date | Oct 20, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF42D5/05
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A bag made from a length of material (10) divided into a series of three or more substantially equal sized sections (12, 14, 16, 18, 20). Every other section is filled with sand (14, 18), or other particulate material and there is an unfilled section (12, 20) at each end.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.