Elevator assembly for use with smoke reduction apparatus
US5976008A · kind A · utility
2Cited by
3References
20Claims
0Family size
Inventor
Key dates
| Filing date | Jun 8, 1998 |
| Grant date | Nov 2, 1999 |
| Priority date | — |
| Expiry date | Jun 8, 2018 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF24C15/2042
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An elevator assembly for use with a second hand smoke reduction device having a chimney assembly for capturing and exhausting smoke away from a smoker, the elevator assembly having a plurality of telescopically arranged support tubes for supporting the chimney assembly, the support tubes being configured so that the chimney assembly can be vertically adjusted allowing the smoker to position the chimney adjacent his/her mouth to capture expelled smoke.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.