Patent FR974680A successfully refreshed from Google Patents.
FR974680A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Further training in tubeless sounding devices
Assignee: Ard Andre-Felix-Emile Cou
•
Filing: 1948-11-05
•
Granted: 1951-02-23
•
Expires: 1968-11-05
Abstract
No abstract record available.
Inventors
- 👤 Ard Andre-Felix-Emile Cou
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 06:47
CPC Classifications
E; E02; E02D; E02D1/00; E02D1/02; E02D1/022
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.