Patent US5500015A successfully refreshed from Google Patents.
FR1113385A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Method of forming p-n junctions
Assignee: Compagnie Francaise Thomson Houston SA
•
Filing: 1954-10-12
•
Granted: 1956-03-28
•
Expires: 1974-10-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-22 21:37
CPC Classifications
C; C30; C30B; C30B15/00; C30B15/20; H; H10; H10P; H10P95/00
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.