Resiliently cushioned activating means for power assist
US5406674A · kind A · utility
15Cited by
18References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 19, 1993 |
| Grant date | Apr 18, 1995 |
| Priority date | — |
| Expiry date | Mar 19, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/325
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A power assisted upright cleaner is provided with resilient spring cushioning for a hand grip driven actuating means that initiates power assist for the cleaner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.