Portable diffuser and related methods
US10603398B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 14, 2017 |
| Grant date | Mar 31, 2020 |
| Priority date | — |
| Expiry date | Oct 3, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2209/133
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A diffuser includes a base, a fan mounted to the base, a receptacle provided over the fan and mounted to the base, a sleeve mounted on the upper surface of the base and enclosing the fan and receptacle, and a lid mounted over the sleeve. Each of the base and the lid comprises at least one opening formed about a periphery thereof. The receptacle comprises a bottom wall with a plurality of opening formed therethrough and a vertically extending sidewall to retain a fragrant medium therein. The fan forces airflow from an exterior of the diffuser, into the base through the at least one opening, through the plurality of openings formed in the bottom wall of the receptacle, through the receptacle and about any fragrant medium therein, into a volume of space above the receptacle enclosed by the lid, and out through the at least one opening in the lid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.