FR1143577A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Glass tube forming a light rail by means of several small lamps placed in series in the interior of this tube
Assignee: Serge Hovsepian
•
Filing: 1954-05-11
•
Granted: 1957-10-02
•
Expires: 1974-05-11
Abstract
No abstract record available.
Inventors
- 👤 Serge Hovsepian
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 23:44
CPC Classifications
F; F21; F21V; F21V19/00; F21V19/0075; F21V19/008; F21V19/0085; F21S; F21S4/00; F21S4/20; H; H01; H01K; H01K1/00; H01K1/28; H01K1/34; Y; Y02; Y02B; Y02B20/00
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.