FR1095334A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Method of injection into porous formations
Assignee: Louis Samuel Wertz
•
Filing: 1953-09-19
•
Granted: 1955-06-01
•
Expires: 1973-09-19
Abstract
No abstract record available.
Inventors
- 👤 Louis Samuel Wertz
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 11:08
CPC Classifications
E; E02; E02D; E02D3/00; E02D3/12; E02D3/126
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.