Sill assembly and subsill for the same
US11542746B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 20, 2020 |
| Grant date | Jan 3, 2023 |
| Priority date | — |
| Expiry date | Apr 28, 2041 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B7/231
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A subsill positioned at least partially under a sill in a sill assembly. The sill assembly positioned under a door or window. Two or more pressure chambers extend lengthwise between the subsill and sill. Pressure chambers can extend one behind another. The subsill can include a backstop with some of the pressure chambers extending lengthwise between the backstop and the sill. Apertures in the pressure chambers are positioned to force water to flow by a circuitous path.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.