Vacuum cleaner
US3932912A · kind A · utility
25Cited by
4References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 15, 1974 |
| Grant date | Jan 20, 1976 |
| Priority date | — |
| Expiry date | Feb 15, 1994 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L9/325
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A vacuum cleaner having a selectively positionable stop for retaining the handle structure in an intermediate position between an upright storage position and a lowered, operating position. The positionable stop may be carried on a pivoted casing associated with the handle structure and a cooperating shoulder element may be movably carried on the floor cleaning unit for engaging the intermediate stop. The shoulder element may be movably carried on the cleaning unit so as to pass the intermediate stop when desired.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.