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DE592015C Expired / Lapsed DE ⏱️ 0.0 years remaining

Double disc filter for vacuum cleaner

Assignee: Inventia Patent Verwertungs Gesellschaft
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Filing: 1932-03-11
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Granted: 1934-01-31
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Expires: 1952-03-11
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-10-30 21:55
CPC Classifications
A; A47; A47L; A47L9/00; A47L9/10; A47L9/12; A47L9/122; A47L5/00; A47L5/12; A47L5/22; A47L5/36; A47L5/362

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