Patent DE658675C successfully refreshed from Google Patents.
DE658675C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Sound-absorbing door with a multi-part metal frame and plywood panels arranged in the same
Assignee: ERICH TIMM FA
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Filing: —
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Granted: 1938-04-07
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Expires: 1955-04-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-29 19:32
CPC Classifications
E; E06; E06B; E06B5/00; E06B5/20
Claims Analysis
Total Claims: 0
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