FR517070A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Device for cooling vapors or liquids with recovery of the heat removed from them
Assignee: DES ATELIERS DE CONSTRUCTIONS MECANIQUES ESCHER WI
•
Filing: 1920-06-12
•
Granted: 1921-04-29
•
Expires: 1940-06-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 10:48
CPC Classifications
B; B01; B01D; B01D3/00
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.