Apparatus for removal of second hand smoke
US5934986A · kind A · utility
0Cited by
3References
18Claims
0Family size
Inventor
Key dates
| Filing date | Jul 22, 1997 |
| Grant date | Aug 10, 1999 |
| Priority date | — |
| Expiry date | Jul 22, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07F17/32
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
The base attached to the top of a surface and adjustable for positioning directly to the side of the patron, at the level of the patron's face. The chimney assembly is mounted on the base for capturing tobacco smoke. A fan disposed in the chimney assembly for propelling smoke upwardly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.