Ceiling tile
US6389771B1 · kind B1 · utility
62Cited by
10References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 26, 2000 |
| Grant date | May 21, 2002 |
| Priority date | — |
| Expiry date | Jun 26, 2020 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04B9/28
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A rectangular ceiling tile to be supported in an exposed type suspended grid system of perpendicularly crossing girders of inverted T-profile. The tile comprises a core of fiber material with two opposite first edges forming each a stepped groove, and two opposite second edges forming each a recess for receiving the girders therein. At least one metal or plastic element is inserted into the fiber material of the core in a transverse edge surface thereof and forms a protruding ridge extending transversely of the tile.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.