Patent FR531610A successfully refreshed from Google Patents.
FR531610A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Advanced device for controlling or directing light rays emitted by motor vehicle headlights and other powerful light projectors in order to prevent glare
Assignee: Alfred Ernest Terry
•
Filing: 1921-03-03
•
Granted: 1922-01-17
•
Expires: 1941-03-03
Abstract
No abstract record available.
Inventors
- 👤 Alfred Ernest Terry
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 18:45
CPC Classifications
F; F21; F21V; F21V11/00; F21S; F21S41/00; F21S41/40; F21S41/43; F21S41/47; F21W; F21W2107/00; F21W2107/10
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.