Roof assembly for a transportable restroom
US9957701B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 23, 2016 |
| Grant date | May 1, 2018 |
| Priority date | — |
| Expiry date | Nov 23, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A50/30
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A roof assembly for a portable restroom includes a curved roof having a plurality of raised ribs extending parallel to each other, the curved roof including an opening between two of the raised ribs; a fan housing disposed in the opening of the roof, the fan housing having four sidewalls and top and bottom openings, the fan housing including extension portions extending outwardly from the sidewalls; a fan disposed in the fan housing; and a vent cap with sidewalls and a top wall overlying the top opening of the fan housing, the sidewalls of the vent cap are configured to include the extension portions within the vent cap such that a first gap is provided between the sidewalls of the fan housing and the sidewalls of the vent cap, the top wall is disposed spaced apart from the sidewalls of the fan housing to provide a second gap communicating with the first gap.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.