FR542825A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Apparatus for the automatic production of filter coffee
Assignee: Joseph-Marius Roman
•
Filing: 1921-10-28
•
Granted: 1922-08-22
•
Expires: 1941-10-28
Abstract
No abstract record available.
Inventors
- 👤 Joseph-Marius Roman
- 👤 Marcel-Emile-Arsen Weerhaegues
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-03 18:40
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/40; A47J31/401
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.