Patent DE372811C successfully refreshed from Google Patents.
DE372811C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Keyboard instrument
Assignee: KARL KOELSCH
•
Filing: 1921-03-25
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Granted: 1923-04-03
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Expires: 1941-03-25
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-29 13:42
CPC Classifications
G; G10; G10B; G10B3/00; G10B3/12; G10C; G10C3/00; G10C3/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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