FR1095450A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Process for obtaining refractory and ultra-refractory materials
Assignee: Jean Lagrolet
•
Filing: 1953-12-04
•
Granted: 1955-06-02
•
Expires: 1973-12-04
Abstract
No abstract record available.
Inventors
- 👤 Jean Lagrolet
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-06 18:11
CPC Classifications
C; C04; C04B; C04B33/00; C04B33/02; C04B33/13; C04B33/1315
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.