FR1122249A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Protective devices for optical equipment with automatic operation
Assignee: DRIVOMATIC
•
Filing: 1955-01-15
•
Granted: 1956-09-04
•
Expires: 1975-01-15
Abstract
No abstract record available.
Inventors
- 👤 Rene Hardy
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-23 11:16
CPC Classifications
G; G01; G01J; G01J1/00; G01J1/02; G01J1/04
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.