DE326309C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Closed iron pipe for heating with partial filling to transfer the heat from the fireplace to the place of use
Assignee: WILHELM BOETTGER DR
•
Filing: 1913-03-12
•
Granted: 1920-09-24
•
Expires: 1933-03-12
Abstract
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Inventors
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Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-25 15:15
CPC Classifications
A; A21; A21B; A21B1/00; A21B1/02; A21B1/06; A21B1/14
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