← Back to Patent Explorer
FR540916A Expired / Lapsed FR ⏱️ 0.0 years remaining

Fastening insulators for pole-mounted oil-bath transformers and other oil-bath electrical devices exposed to the elements

Assignee: Ami Berthod
•
Filing: 1921-09-09
•
Granted: 1922-07-19
•
Expires: 1941-09-09
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Ami Berthod

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-23 23:28
CPC Classifications
H; H01; H01F; H01F27/00; H01F27/02; H01F27/04

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