FR769024A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements in processes and apparatus for pressure casting of various objects
Assignee: Emile Deruelle
•
Filing: 1933-05-09
•
Granted: 1934-08-17
•
Expires: 1953-05-09
Abstract
No abstract record available.
Inventors
- 👤 Emile Deruelle
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 14:43
CPC Classifications
B; B22; B22C; B22C9/00; B22C9/08; B22C9/06
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.