Patent FR648716A successfully refreshed from Google Patents.
← Back to Patent Explorer
FR648716A Expired / Lapsed FR ⏱️ 0.0 years remaining

Electro-chemical capacitor

Assignee: Transformateurs Ferrix SA A Pa
•
Filing: 1928-02-14
•
Granted: 1928-12-13
•
Expires: 1948-02-14
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-25 15:26
CPC Classifications
H; H01; H01G; H01G11/00; H01G11/22; H01G11/30; H01G11/32; H01G11/54; H01G11/58; H01G11/62

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