Patent FR698802A successfully refreshed from Google Patents.
FR698802A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements in the construction of high pressure multiple fans and multistage centrifugal pumps
Assignee: Neu SA
•
Filing: 1930-07-09
•
Granted: 1931-02-05
•
Expires: 1950-07-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-07 00:24
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/40; F04D29/42; F04D29/44; F04D29/441
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.