FR92558E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Astatic optical device for transmitting an electrical signal
Assignee: Compteurs Schlumberger SA
•
Filing: 1967-02-07
•
Granted: 1968-11-29
•
Expires: 1987-02-07
Abstract
No abstract record available.
Inventors
- 👤 Charles Kaplan
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-22 19:38
CPC Classifications
G; G01; G01R; G01R15/00; G01R15/14; G01R15/24; G01R15/245; G01R15/246; H; H04; H04B; H04B10/00
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.