← Back to Patent Explorer
DE604469C Expired / Lapsed DE ⏱️ 0.0 years remaining

Protective device for electrical machines and apparatus

Assignee: Siemens Schuckertwerke AG
•
Filing: 1929-12-14
•
Granted: 1934-10-22
•
Expires: 1949-12-14
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Dipl-Ing Gerhard Koehler
  • 👤 Dipl-Ing Fritz Liebscher

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-10-27 21:02
CPC Classifications
H; H02; H02H; H02H3/00; H02H3/50

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