Vacuum cleaner with thermal cutoff
US6484352B2 · kind B2 · utility
13Cited by
106References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 3, 2001 |
| Grant date | Nov 26, 2002 |
| Priority date | — |
| Expiry date | Jul 3, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/325
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
Disclosed is a unique and novel air filtrating, self-propelled upright vacuum cleaner. The filtration system utilizes a HEPA-rated air filter as a final filtering element. The disclosed vacuum cleaner contains numerous other features including a self-propelled drive mechanism.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.