DE718134C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Loudspeaker arrangement with two loudspeakers and mushroom-shaped sound duct
Assignee: Alcatel Lucent Deutschland AG
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Filing: 1938-05-22
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Granted: 1942-03-04
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Expires: 1958-05-22
Abstract
No abstract record available.
Inventors
- 👤 Leopold Iglueck
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-31 13:52
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/20; H04R1/32; H04R1/34; H04R1/345
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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