Escape path marking for an aircraft
US8425064B2 · kind B2 · utility
0Cited by
6References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 11, 2008 |
| Grant date | Apr 23, 2013 |
| Priority date | — |
| Expiry date | Sep 11, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F19/22
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
Escape path marking for an aircraft having a plurality of photoluminescent elements glow in the dark and of which each has a carrier element that is provided for attaching to a subsurface, characterized in that the carrier element has connecting edges on one or both end sides, the edges having an arc-shaped progression or having at least two sections not extending perpendicular to an orientation axis of the carrier element disposed perpendicularly on a cross section in the region of the connecting edge, the orientation axes of two carrier elements disposed successively enclosing an angle with each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.