Roofing vent with sliding collar
US6997801B1 · kind B1 · utility
2Cited by
16References
4Claims
0Family size
Inventor
Key dates
| Filing date | Aug 29, 2003 |
| Grant date | Feb 14, 2006 |
| Priority date | — |
| Expiry date | Feb 12, 2024 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF24F7/02
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A roofing vent that includes a base a duct extending from the base. The duct includes a first end attached to the base and a second end having a hood or cover over the second end. A collar having an aperture therethrough is mounted from the duct such that the duct extends through the aperture, with the collar is slideably supported along the duct and captured between the base and the hood or cover.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.