Patent FR990511A successfully refreshed from Google Patents.
FR990511A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to apparatus used for concentration of ores by means of foam flotation
Assignee: Loro and Parisini SpA
•
Filing: 1949-07-11
•
Granted: 1951-09-24
•
Expires: 1969-07-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-08 16:31
CPC Classifications
B; B03; B03D; B03D1/00; B03D1/14; B03D1/16; B03D1/02; B03D1/028; B03D1/1412; B03D1/1443; B03D1/1462; B03D1/1493
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.