Patent DE391919C successfully refreshed from Google Patents.
DE391919C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Refractory abrasive
Assignee: Individual
•
Filing: 1922-04-27
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Granted: 1924-03-13
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Expires: 1942-04-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-22 20:26
CPC Classifications
B; B24; B24D; B24D3/00; B24D3/02; B24D3/04; B24D3/14; B24D3/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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