Patent FR856225A successfully refreshed from Google Patents.
FR856225A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Device for bringing a gas into contact with a liquid with mixing of the liquid
Assignee: Pierre Louis Boucherie
•
Filing: 1939-06-15
•
Granted: 1940-06-07
•
Expires: 1959-06-15
Abstract
No abstract record available.
Inventors
- 👤 Pierre Louis Boucherie
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-26 21:09
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/02; C02F3/12; C02F3/22; C02F3/223; B; B01; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/232; B01F23/2323; B01F23/23231; B01F23/232311; B01F35/00; B01F35/30; B01F35/32; B01F35/32005; B01F35/3203; B01F35/32015; Y; Y02; Y02W; Y02W10/00; Y02W10/10
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.