Patent DE659920C successfully refreshed from Google Patents.
DE659920C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Roller press for the production of pressure-resistant briquettes
Assignee: Individual
•
Filing: 1930-04-12
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Granted: 1938-05-13
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Expires: 1950-04-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-07 19:16
CPC Classifications
B; B30; B30B; B30B11/00; B30B11/16; B30B11/165
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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