Patent DE937063C successfully refreshed from Google Patents.
DE937063C
Expired / Lapsed
DE
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Loudspeaker with multi-cell funnel
Assignee: Siemens Corp
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Filing: 1952-06-28
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Granted: 1955-12-29
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Expires: 1972-06-28
Abstract
No abstract record available.
Inventors
- 👤 Heinrich Dipl-Ing Dr Kalusche
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-05 12:53
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)
AT132900B
Cited
US2224931A
Cited
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