FR1133387A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Electroluminescent light fixture
Assignee: Umicore NV SA
•
Filing: 1955-04-19
•
Granted: 1957-03-26
•
Expires: 1975-04-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 07:22
CPC Classifications
H; H05; H05B; H05B44/00
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.