FR1044580A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements to devices for the remote firing of powder or explosive charges, in particular inside soundings
Assignee: Services Petroliers Schlumberger SA
•
Filing: 1951-01-30
•
Granted: 1953-11-19
•
Expires: 1971-01-30
Abstract
No abstract record available.
Inventors
- 👤 Marcel Schlumberger
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 23:14
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/11; E21B43/116; E21B43/1185; F; F42; F42D; F42D1/00; F42D1/04; F42D1/045; F42D1/05
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.