Patent FR704568A successfully refreshed from Google Patents.
FR704568A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Methods and devices for separating furnace exhaust gases from the dust of material to be burnt which they contain
Assignee: Arno Andreas
•
Filing: 1930-09-02
•
Granted: 1931-05-22
•
Expires: 1950-09-02
Abstract
No abstract record available.
Inventors
- 👤 Arno Andreas
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 14:13
CPC Classifications
F; F27; F27B; F27B7/00; F27B7/20; F27B7/2016; B; B01; B01D; B01D46/00; B01D46/30; B01D46/32
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.