← Back to Patent Explorer
FR787893A Expired / Lapsed FR ⏱️ 0.0 years remaining

Improvement in combustion engines

Assignee: Fernand Charles Freder Portail
•
Filing: 1934-06-28
•
Granted: 1935-09-30
•
Expires: 1954-06-28
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Fernand Charles Freder Portail

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-06 10:07
CPC Classifications
F; F02; F02M; F02M25/00; F02M25/10; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12

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