FR902476A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Centrifugal force dust separator
Assignee: Mann and Hummel GmbH
•
Filing: 1944-03-07
•
Granted: 1945-08-31
•
Expires: 1964-03-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-30 22:44
CPC Classifications
B; B04; B04C; B04C5/00; B04C5/24; B04C5/28; B04C3/00; B04C3/04; C; C01; C01B; C01B17/00; C01B17/02; C01B17/06
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.