FR842373A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Multiple effect hydro-ejector
Assignee: Robinetterie S A J Soc D
•
Filing: 1938-02-11
•
Granted: 1939-06-12
•
Expires: 1958-02-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 07:35
CPC Classifications
F; F04; F04F; F04F5/00; F04F5/44; F04F5/46; F04F5/467
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.