Patent CH299644A successfully refreshed from Google Patents.
CH299644A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Method of preventing the passage of the atmosphere on one side of a wall through a through opening to the other side of the wall.
Assignee: Sulzer Ag
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Filing: 1952-03-13
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Granted: —
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Expires: 1972-03-13
Abstract
No abstract record available.
Inventors
- 👤 Aktiengesellschaft Gebr Sulzer
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-10-28 15:11
CPC Classifications
F; F24; F24F; F24F9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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