Patent FR50758E successfully refreshed from Google Patents.
FR50758E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to heavy oil or other fuel engines
Assignee: AUTOMOBILES UNIC SOC NOUV
•
Filing: 1939-08-22
•
Granted: 1941-03-26
•
Expires: 1959-08-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-24 06:06
CPC Classifications
F; F02; F02B; F02B19/00; F02B19/02; F02B19/04; 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.