FR474242A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Lighting apparatus comprising a number of filament lamps combined in a single group
Assignee: Individual
•
Filing: 1914-06-29
•
Granted: 1915-02-12
•
Expires: 1934-06-29
Abstract
No abstract record available.
Inventors
- 👤 Isidor Hirschl
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-26 23:18
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/04; F21S8/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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