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FR1312499A Expired / Lapsed FR ⏱️ 0.0 years remaining

Transmission diffuser for light tubes

Assignee: Sigma Plastique
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Filing: 1961-11-06
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Granted: 1962-12-21
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Expires: 1981-11-06
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-26 00:11
CPC Classifications
F; F21; F21V; F21V11/00; F21V17/00; F21V17/04; F21Y; F21Y2103/00

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