FR78510E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Drill bit for soil drilling
Assignee: EUROP DE TURBOFORAGE SOC
•
Filing: 1960-10-10
•
Granted: 1962-08-03
•
Expires: 1980-10-10
Abstract
No abstract record available.
Inventors
- 👤 Wladimir Tiraspolsky
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 12:27
CPC Classifications
E; E21; E21B; E21B10/00; E21B10/46; E21B10/54
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.