Patent FR981992A successfully refreshed from Google Patents.
FR981992A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Volumetric pump
Assignee: Emmanuel-Jean Pouvreau
•
Filing: 1943-05-26
•
Granted: 1951-06-01
•
Expires: 1963-05-26
Abstract
No abstract record available.
Inventors
- 👤 Emmanuel-Jean Pouvreau
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-26 16:00
CPC Classifications
F; F04; F04C; F04C2/00; F04C2/30; F04C2/34; F04C2/356; F04C2/3566; F04C5/00
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.