Patent FR1087301A successfully refreshed from Google Patents.
FR1087301A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to clarifying filters
Assignee: Raoul Berline
•
Filing: 1953-07-20
•
Granted: 1955-02-23
•
Expires: 1973-07-20
Abstract
No abstract record available.
Inventors
- 👤 Raoul Berline
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-31 11:26
CPC Classifications
B; B01; B01D; B01D35/00; B01D29/00; B01D29/39; B01D29/62; B01D29/64; B01D29/6438; B01D29/6446; B01D2201/00; B01D2201/26
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.