Patent FR683203A successfully refreshed from Google Patents.
← Back to Patent Explorer
FR683203A Expired / Lapsed FR ⏱️ 0.0 years remaining

Upward flow levigation vessel

Assignee: CIE IND FRANCO AFRICAINE
•
Filing: 1929-10-12
•
Granted: 1930-06-10
•
Expires: 1949-10-12
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Pierre-Ernest Mercier

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-29 15:47
CPC Classifications
B; B03; B03B; B03B5/00; B03B5/62; B03B5/623

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.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag