Roof snow rake blade
US5676413A · kind A · utility
24Cited by
8References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 29, 1996 |
| Grant date | Oct 14, 1997 |
| Priority date | — |
| Expiry date | Apr 29, 2016 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04D13/106
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A roof snow rake blade has a spacer, preferably in the form of a roller, attached at its bottom edge to space the bottom edge away from the roofing while not interfering with the normal snow-removal function of the blade.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.