FR582358A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Dust sorting device system
Assignee: Jean Duchez
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Filing: 1923-09-24
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Granted: 1924-12-17
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Expires: 1943-09-24
Abstract
No abstract record available.
Inventors
- 👤 Jean Duchez
- 👤 Jean-Eugene Duchez
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 03:02
CPC Classifications
B; B07; B07B; B07B4/00; B07B4/02; B07B4/025
Claims Analysis
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References Cited (Backward Citations)
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