Cyrill Demian receives a patent for an accordion
On May 23, 1829, Cyrill Demian received a patent for an accordion.
Published · Updated · 1 min read
The Event
On May 23, 1829, Cyrill Demian received a patent for an accordion.
The Scientific Context
The Vienna instrument used bellows and buttons to sound chords, helping establish a family of portable instruments.
Design and practical use
A patent or application describes a technical claim at a particular time. A demonstration, a working product and widespread adoption are separate milestones.
Reading the Historical Record
The linked chronology identifies the date; the event or subject reference gives further context. The date refers to the milestone described above.
About the Historical Recreation
The proposed visual shows a period workshop bench with a plausible model and an out-of-focus technical drawing, no invented legible patent. It is an AI illustration, not archival footage or an eyewitness record.
Sources
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