← Back to Patent Explorer
DE648925C Expired / Lapsed DE ⏱️ 0.0 years remaining

Switch with arc extinguishing by flowing or expanding gases or vapors

Assignee: Siemens Schuckertwerke AG
•
Filing: 1934-03-30
•
Granted: 1937-08-10
•
Expires: 1954-03-30
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Dipl-Ing Ferdinand Kuemmel
  • 👤 Dr-Ing Carl Reher

Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-11-06 01:16
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/02; H01H33/53; H01H33/56

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