← Back to Patent Explorer
CH83033A Expired / Lapsed CH ⏱️ 0.0 years remaining

Device to prevent unauthorized persons from pulling the plug from electrical plug contacts

Assignee: Robert Stirnemann
•
Filing: 1919-02-13
•
Granted: —
•
Expires: 1939-02-13
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Robert Stirnemann
  • 👤 Gustav Oesch

Bibliographic Details

Application Number —
Jurisdiction CH
Data Source google_patents
Last Synchronized 2026-10-31 04:17
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/62; H01R13/639; H01R13/6395; H01R13/44; H01R13/447; H01R13/58

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