Patent US1347017A successfully refreshed from Google Patents.
Patent FR991500A successfully refreshed from Google Patents.
FR991500A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Process improvements, and fuel supply device for controlling air-fuel mixtures for an internal combustion engine
Assignee: Ethyl Corp
•
Filing: 1949-07-29
•
Granted: 1951-10-05
•
Expires: 1969-07-29
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-02 17:22
CPC Classifications
F; F02; F02D; F02D9/00; F02D2700/00; F02D2700/02; F02D2700/0217; F02D2700/0261; F02D2700/0264
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.