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FR646612A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
economiser consisting of lower and upper trays connected and anchored by tubes
Assignee: Max Hartmann
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Filing: 1927-12-31
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Granted: 1928-11-14
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Expires: 1947-12-31
Abstract
No abstract record available.
Inventors
- 👤 Max Hartmann
- 👤 Ernst Hartmann
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-09 07:07
CPC Classifications
F; F28; F28F; F28F9/00; F28F9/02; F28F9/04; F28F9/06; F28F9/10; F22; F22D; F22D1/00; F22D1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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