Patent US4748443A successfully refreshed from Google Patents.
Patent FR712107A successfully refreshed from Google Patents.
← Back to Patent Explorer
FR712107A Expired / Lapsed FR ⏱️ 0.0 years remaining

Device for driving the crankshaft of an engine in both directions by means of the starting crank

Assignee: Marcel Bras
•
Filing: 1931-02-25
•
Granted: 1931-09-25
•
Expires: 1951-02-25
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Marcel Bras

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-28 20:21
CPC Classifications
F; F02; F02N; F02N1/00; F02N1/02

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