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DE464518C Expired / Lapsed DE ⏱️ 0.0 years remaining

Electrical lighting device for optical signals that need a higher voltage to start up than during operation, and which are preceded by alternating current resistors to reduce the voltage after ignition

Assignee: Julius Pintsch AG
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Filing: 1926-12-15
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Granted: 1928-08-18
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Expires: 1946-12-15
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-10-31 18:51
CPC Classifications
H; H05; H05B; H05B41/00; H05B41/14; H05B41/16; H05B41/20; H05B41/23; H05B41/232

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