Harmonica
US11763783B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 4, 2021 |
| Grant date | Sep 19, 2023 |
| Priority date | — |
| Expiry date | Feb 4, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10D9/035
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A harmonica including at least: a comb having a plurality of chambers; a first plate having a plurality of blow reeds; a second plate having a plurality of draw reeds. Wherein each chamber of the plurality of chambers has at least one material projection, each material projection being configured to reduce the oscillatory space of a draw reed; and in that the harmonica has at least one additional plate arranged above the first plate and has a plurality of additional material projections, each additional material projection of the plurality of additional material projections being configured to reduce the oscillatory space of a blow reed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.