Nesting stacking grille
US11428042B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 6, 2017 |
| Grant date | Aug 30, 2022 |
| Priority date | — |
| Expiry date | Oct 9, 2037 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B5/11
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
In some embodiments, a nesting grille may include an alpha link having a top alpha link grommet, a beta link, and a plurality of cross members. In some embodiments, each of the plurality of cross members are coupled to at least one of the alpha link and the beta link. In one embodiment, the top alpha link grommet is configured to receive one of the plurality of cross members. In one embodiment, the grille is configured to be moveable between an extended state and a retracted state, the grille coiled about itself with the alpha link disposed inside of the beta link when the grille is in the retracted state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.