Fire safety window and interior door marker
US5309863A · kind A · utility
86Cited by
4References
8Claims
0Family size
Inventor
Key dates
| Filing date | Feb 1, 1993 |
| Grant date | May 10, 1994 |
| Priority date | — |
| Expiry date | Feb 1, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S116/17
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A fire safety interior door marker including a plate with a front side and a rear side. The front side has a reflective surface area and a tactile surface area. The rear side of the plate is provided with an adhesive backing, normally covered by a release sheet, for securing the plate to an exit door or beneath a window Also disclosed is a method for visually and tactually indicating the location of an escape door or window for use during a fire in a building.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.