DE864696C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Condenser microphone
Assignee: Telefunken AG
•
Filing: 1942-04-01
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Granted: 1953-01-26
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Expires: 1962-04-01
Abstract
No abstract record available.
Inventors
- 👤 Helmut Dr Batsch
- 👤 Heinrich Dr Benecke
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-23 04:33
CPC Classifications
H; H04; H04R; H04R19/00; H04R19/01; H04R19/016
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
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