DE436377C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Arrangement for fastening ear telephones
Assignee: Siemens and Halske AG
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Filing: 1925-03-15
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Granted: 1926-10-30
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Expires: 1945-03-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-02 06:19
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/10; H04R1/105; H04R25/00; H04R25/65
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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