FR771004A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements in methods and apparatus for maintaining a high and dense suspension of particles in a liquid
Assignee: Krystal AS
•
Filing: 1934-03-31
•
Granted: 1934-09-28
•
Expires: 1954-03-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-02 13:24
CPC Classifications
B; B01; B01F; B01F23/00; B01F23/50; B01F25/00; B01F25/20; B01F25/21; B01F27/00; B01F27/80; B01F27/91; B01F27/05; B01F27/11; B01F27/15
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.