Patent DE970239C successfully refreshed from Google Patents.
DE970239C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Sound-absorbing arrangement with wedge-shaped or conical sound-absorbing bodies
Assignee: Siemens Corp
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Filing: 1952-10-21
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Granted: 1958-08-28
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Expires: 1972-10-21
Abstract
No abstract record available.
Inventors
- 👤 Dr Friedrich Spandoeck
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-09 21:22
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/82; E04B1/84; E04B2001/8414; E04B2001/8419
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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