FR658457A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Dust and slurry treatment apparatus of ores and fuels
Assignee: COMPANIE DES MINES DE BRUAY
•
Filing: 1928-07-31
•
Granted: 1929-06-05
•
Expires: 1948-07-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-03 07:51
CPC Classifications
B; B03; B03D; B03D1/00; B03D1/14; B03D1/24; B03D1/02; B03D1/028; B03D1/1406; B03D1/1412; B03D1/1443; B03D1/1456
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.