← Back to Patent Explorer
FR873816A Expired / Lapsed FR ⏱️ 0.0 years remaining

Electric motor with friction clutch fitted in this motor, in particular for sewing machines

Assignee: Frankl and Kirchner GmbH and Co KG
•
Filing: 1941-07-12
•
Granted: 1942-07-21
•
Expires: 1961-07-12
📄 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 2026-10-26 23:06
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/10; H02K7/108

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