Patent DE862769C successfully refreshed from Google Patents.
DE862769C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Loudspeaker arrangement, especially for stereophonic transmission of sound presentations
Assignee: Klangfilm GmbH
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Filing: 1938-12-30
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Granted: 1953-01-12
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Expires: 1958-12-30
Abstract
No abstract record available.
Inventors
- 👤 Ernst Dipl-Ing Kammerer
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-01 19:54
CPC Classifications
H; H04; H04S; H04S3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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