FR447551A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Filter press combined with a hydraulic press
Assignee: GRIESHEIM ELEKTRON CHEM FAB
•
Filing: 1912-08-08
•
Granted: 1913-01-09
•
Expires: 1932-08-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-05 23:47
CPC Classifications
B; B30; B30B; B30B9/00; B30B9/02; B30B9/04; B30B9/045
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.