Patent US2379474A successfully refreshed from Google Patents.
Patent FR952988A successfully refreshed from Google Patents.
FR952988A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
cover elements
Assignee: Preparation Industrielle des Combustibles SA
•
Filing: 1947-08-27
•
Granted: 1949-11-28
•
Expires: 1967-08-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-03 23:24
CPC Classifications
E; E04; E04D; E04D1/00; E04D1/02; E04D1/04; E04D1/29; E04D1/2907; E04D1/2914; E04D1/2916; E04D1/2918
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.