FR819174A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Device for improving the flow rate of centrifugal machines used to move or compress fluids
Assignee: Compagnie Electro Mecanique SA
•
Filing: 1936-06-16
•
Granted: 1937-10-12
•
Expires: 1956-06-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-26 13:55
CPC Classifications
F; F04; F04D; F04D13/00; F04D13/02; F04D13/06; F04D13/0653; F04D29/00; F04D29/40; F04D29/42; F04D29/44; F04D29/46
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.