Patent CH255644A successfully refreshed from Google Patents.
CH255644A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Device for sound absorption in rooms.
Assignee: Sulzer Ag
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Filing: 1947-02-21
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Granted: —
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Expires: 1967-02-21
Abstract
No abstract record available.
Inventors
- 👤 Aktiengesellschaft Gebr Sulzer
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-10-26 11:30
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/74; E04B1/82; E04B1/8209; E04B2001/8263; E04B2001/829
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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