Window cleaning implement
US4254527A · kind A · utility
Inventor
Key dates
| Filing date | Feb 21, 1979 |
| Grant date | Mar 10, 1981 |
| Priority date | — |
| Expiry date | Feb 21, 1999 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47L1/06
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An improved window cleaning implement of the type including a support plate having a handle secured thereto and having a groove therein adjacent one end of the plate and extending transverse to the direction of movement of the plate during a cleaning operation, a wiper blade mounted on the plate within the groove for contacting the window during a cleaning operation, and a wiping cloth supported by the plate for contacting the window during a cleaning operation and having one end attached to one side of the wiper blade, wherein the improvement comprises an elastic strip extending from the other side of the wiper blade and having its free end secured to said one end of the support plate for floatably mounting the wiper blade within the groove, the groove being dimensioned so as to permit movement of the wiper blade therein during a cleaning operation. Another embodiment comprises an improved window cleaning implement of the type including a support plate having a front surface for supporting both a wiping cloth and a wiper blade for contacting the window during a cleaning operation, and including a handle secured to the rear surface of the support plate, wherein the improvement comp…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.