Patent US5549662A successfully refreshed from Google Patents.
FR1330130A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Surface device for maneuvering the sounding train in the case of drilling carried out by means of a downhole motor suspended from a flexible tube
Assignee: IFP Energies nouvelles
•
Filing: 1961-01-30
•
Granted: 1963-06-21
•
Expires: 1981-01-30
Abstract
No abstract record available.
Inventors
- 👤 Jean Parola
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-22 17:57
CPC Classifications
B; B66; B66D; B66D1/00; B66D1/60; B66D1/74; B66D1/76; E; E21; E21B; E21B19/00; E21B19/08; E21B19/084; E21B19/22
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.