Patent FR981898A successfully refreshed from Google Patents.
FR981898A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Hypocycloidal displacement piston positive displacement pump
Assignee: Julien Barrere
•
Filing: 1949-03-02
•
Granted: 1951-05-30
•
Expires: 1969-03-02
Abstract
No abstract record available.
Inventors
- 👤 Julien Barrere
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-08 19:07
CPC Classifications
F; F04; F04C; F04C28/00; F04C28/06; F04C2/00; F04C2/30; F04C2/34; F04C2/356; F04C2/3562; F04C2/3564
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.