AT89940B
Expired / Lapsed
AT
⏱️ 0.0 years remaining
Facility for better utilization of the available heat in rooms.
Assignee: Emil Andres
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Filing: 1921-02-01
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Granted: 1922-11-10
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Expires: 1941-02-01
Abstract
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Inventors
- 👤 Emil Andres
Bibliographic Details
Application Number
—
Jurisdiction
AT
Data Source
google_patents
Last Synchronized
2026-10-29 18:55
CPC Classifications
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