Patent US2478443A successfully refreshed from Google Patents.
Patent FR820834A successfully refreshed from Google Patents.
← Back to Patent Explorer
FR820834A Expired / Lapsed FR ⏱️ 0.0 years remaining

Method and device for descaling and degassing

Assignee: Ludwig Dingeldein
•
Filing: 1937-04-20
•
Granted: 1937-11-19
•
Expires: 1957-04-20
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Ludwig Dingeldein

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-07 19:57
CPC Classifications
B; B01; B01D; B01D19/00; B01D19/0021

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