Vent cover
US4115961A · kind A · utility
28Cited by
3References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 28, 1977 |
| Grant date | Sep 26, 1978 |
| Priority date | — |
| Expiry date | Jul 28, 1997 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04D13/14
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
In a vent cover for use particularly with plastic piping, of the type that exhibits a high coefficient of expansion, the cover includes a sleeve that is rigidly fastened by means of an adhesive, or otherwise, through the agency of an adapter to the upper end of the vent pipe that projects through a flashing mounted upon the roof of a structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.