Patent DE513992C successfully refreshed from Google Patents.
DE513992C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Mechanical draft regulator for steam boiler firing
Assignee: Individual
•
Filing: 1927-01-07
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Granted: 1930-12-05
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Expires: 1947-01-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-26 12:59
CPC Classifications
F; F23; F23N; F23N3/00; F23N3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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