AT117190B
Expired / Lapsed
AT
⏱️ 0.0 years remaining
Apparatus for the classification of granular substances in an ascending gas or liquid flow.
Assignee: Henri Cathelat
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Filing: 1928-12-15
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Granted: 1930-04-10
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Expires: 1948-12-15
Abstract
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Inventors
- 👤 Henri Cathelat
Bibliographic Details
Application Number
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Jurisdiction
AT
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google_patents
Last Synchronized
2026-10-28 14:28
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