Fire alarm with a transmitter spaced from a receiver through a colored sheet
US8013751B2 · kind B2 · utility
0Cited by
11References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 2004 |
| Grant date | Sep 6, 2011 |
| Priority date | — |
| Expiry date | Mar 21, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B17/113
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
The present invention relates to a fire alarm 1 that includes a base 1.5 and a fire alarm insert which can be connected to base 1.5. A covering cap 3 and a sheet 2, 2.1 located between the covering cap 3 and the fire alarm insert 1.1 are provided to cover fire alarm insert 1.1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.