Mechanical drop-away ceiling
US9103117B1 · kind B1 · utility
5Cited by
6References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 28, 2014 |
| Grant date | Aug 11, 2015 |
| Priority date | — |
| Expiry date | Feb 28, 2034 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04B9/003
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A mechanical drop-away ceiling may include a frame and a panel. The frame may be configured to be suspended above a floor. The frame may include a movable element movable between a closed position and an open position. The panel may be selectively retained at the frame by the movable element in the closed position and may be free to drop away from the frame when the movable element is in the open position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.