DE860641C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Microphone arrangement
Assignee: Klangfilm GmbH
•
Filing: 1941-08-13
•
Granted: 1952-12-22
•
Expires: 1961-08-13
Abstract
No abstract record available.
Inventors
- 👤 Helmuth Dr Neumann
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-23 22:32
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/08; H04R1/083; H04R1/086
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
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