Patent US4040068A successfully refreshed from Google Patents.
Patent FR972802A successfully refreshed from Google Patents.
FR972802A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Centrifugal compressor wheel
Assignee: PIERRE REMY AND CIE ETS
•
Filing: 1941-04-25
•
Granted: 1951-02-05
•
Expires: 1961-04-25
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 11:19
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/26; F04D29/28; F04D29/281
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.