Removable filter for portable fan
US10632408B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Mar 19, 2018 |
| Grant date | Apr 28, 2020 |
| Priority date | — |
| Expiry date | Jun 14, 2038 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2265/028
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The various embodiments herein provide a filter assembly for a portable fan comprising a holder base and a filter. The holder base comprises a base strip attached to a body of the portable fan through a fastening mechanism. At least two base strips are connected on opposite ends of the body of the portable fan. The holder base further comprises at least two vertical stoppers, at least two sliding brackets, and at least two slots. The at least two vertical stoppers are attached at vertically opposite ends of the base strip. The at least two sliding brackets are attached long a length of the base strip. The at least two slots are provided at a suitable place on the base strip for the fastening mechanism. The filter is a semi permeable membrane fixed into the base strip through the at least two sliding brackets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.