Patent FR49755E successfully refreshed from Google Patents.
FR49755E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Process for removing acidic components from hydrocarbon-type liquids
Assignee: Bataafsche Petroleum Maatschappij NV
•
Filing: 1938-07-16
•
Granted: 1939-07-17
•
Expires: 1958-07-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 14:27
CPC Classifications
C; C10; C10G; C10G19/00; C10G19/02
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.