← Back to Patent Explorer
DE1159112B Expired / Lapsed DE ⏱️ 0.0 years remaining

Method for controlling an electric arc furnace

Assignee: JOSEF SCHIFFARTH DR ING
•
Filing: 1962-05-30
•
Granted: —
•
Expires: 1982-05-30
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Dr-Ing Josef Schiffarth

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-10-30 23:40
CPC Classifications
H; H05; H05B; H05B7/00; H05B7/02; H05B7/144; H05B7/148; Y; Y02; Y02P; Y02P10/00; Y02P10/25

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

AT220920B Cited

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