DE454463C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Connection of two lines of different characteristics for amplifier operation
Assignee: Siemens and Halske AG
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Filing: 1924-11-12
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Granted: 1928-01-13
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Expires: 1944-11-12
Abstract
No abstract record available.
Inventors
- 👤 Karl Kuepfmueller
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-28 04:39
CPC Classifications
H; H04; H04B; H04B3/00; H04B3/02; H04B3/04; H04B3/14; H04B3/143
Claims Analysis
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References Cited (Backward Citations)
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