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FR781144A Expired / Lapsed FR ⏱️ 0.0 years remaining

Improvements to electrolytic devices, such as capacitors and the like

Assignee: Philips North America LLC
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Filing: 1934-11-10
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Granted: 1935-05-09
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Expires: 1954-11-10
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-24 21:33
CPC Classifications
H; H01; H01G; H01G9/00; H01G9/004; H01G9/04; H01G9/048; H01G9/055; C; C23; C23F; C23F1/00; C23F1/10; C23F1/14; C23F1/16; C23F1/20

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