FR439169A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Indicator board, electrically operated, for listing stock exchange quotes and other similar uses
Assignee: FERDINAND MERCKEL
•
Filing: 1912-01-20
•
Granted: 1912-06-07
•
Expires: 1932-01-20
Abstract
No abstract record available.
Inventors
- 👤 Ferdinand Merckel
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-30 21:33
CPC Classifications
H; H04; H04L; H04L12/00; H04L12/02; H04L12/16; H04L12/18; H04L12/1804
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.