FR1330237A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to filters with cleaning in motion by flushing back through the filtering surface
Assignee: Compagnie Electro Mecanique SA
•
Filing: 1962-05-08
•
Granted: 1963-06-21
•
Expires: 1982-05-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-03 05:50
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/44; B01D29/48; B01D29/11; B01D29/13; B01D29/15; B01D29/88; B01D29/90; B01D29/904
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.