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FR939811A Expired / Lapsed FR ⏱️ 0.0 years remaining

Portable electric lamp with normal lighting and emergency lighting by automatic recharging accumulators and also automatic switching from normal lighting to emergency lighting

Assignee: Felix Levy
•
Filing: 1947-01-07
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Granted: 1948-11-25
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Expires: 1967-01-07
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Abstract

No abstract record available.

Inventors

  • 👤 Felix Levy

Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-06 05:32
CPC Classifications
F; F21; F21S; F21S9/00; F21S9/02; F21L; F21L2/00; F21V; F21V23/00

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