Patent FR922154A successfully refreshed from Google Patents.
FR922154A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to filters, especially for motor vehicle fuel
Assignee: Jean-Ferdinand-Miche Bocchi
•
Filing: 1945-12-18
•
Granted: 1947-06-02
•
Expires: 1965-12-18
Abstract
No abstract record available.
Inventors
- 👤 Jean-Ferdinand-Miche Bocchi
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 21:35
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/11; B01D29/13; B01D29/15; B01D29/44; B01D29/48; B01D29/60
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.