Cover assembly for a through-penetration
US7114303B2 · kind B2 · utility
9Cited by
9References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 15, 2002 |
| Grant date | Oct 3, 2006 |
| Priority date | — |
| Expiry date | Apr 5, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02G3/22
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A fire stopping apparatus for fire stopping a through-penetration includes fire stop material arranged within the through-penetration, a frame arranged adjacent the top opening of the through-penetration, and a plurality of slats arranged on the frame adjacent the through-penetration top opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.