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DE343335C Expired / Lapsed DE ⏱️ 0.0 years remaining

Method for preparing insulating strips for dry batteries in flashlights and the like. like

Assignee: Individual
•
Filing: 1920-07-25
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Granted: 1921-10-31
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Expires: 1940-07-25
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-10-28 23:17
CPC Classifications
H; H01; H01M; H01M50/00; H01M50/50; H01M50/572; Y; Y02; Y02E; Y02E60/00; Y02E60/10

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