Patent CH200740A successfully refreshed from Google Patents.
← Back to Patent Explorer
CH200740A Expired / Lapsed CH ⏱️ 0.0 years remaining

Method and apparatus for the surface hardening of metal parts by electric current.

Assignee: Paul Mouravieff
•
Filing: 1937-06-07
•
Granted: —
•
Expires: 1957-06-07
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Paul Mouravieff
  • 👤 Benjamin Mester

Bibliographic Details

Application Number —
Jurisdiction CH
Data Source google_patents
Last Synchronized 2026-11-07 08:52
CPC Classifications
C; C23; C23C; C23C8/00; C23C8/40; C23C8/52; C23C8/54; C25; C25F; C25F3/00; C25F3/02

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