Patent DE686998C successfully refreshed from Google Patents.
DE686998C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Made of high-quality, solid or elastic high-frequency insulating material, e.g. B. polystyrene, made pipes
Assignee: Hackethal Draht Kabel Werke AG
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Filing: 1938-05-22
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Granted: 1940-01-20
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Expires: 1958-05-22
Abstract
No abstract record available.
Inventors
- 👤 Otto Haugwitz
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-30 09:38
CPC Classifications
H; H01; H01B; H01B11/00; H01B11/18; H01B11/1834
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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