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DE655160C Expired / Lapsed DE ⏱️ 0.0 years remaining

Divided stairs that can be pivoted into the hatch of a false ceiling

Assignee: HUEBENTHAL GEB
•
Filing: 1933-03-24
•
Granted: 1938-01-11
•
Expires: 1953-03-24
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-11-01 05:23
CPC Classifications
E; E04; E04F; E04F11/00; E04F11/02; E04F11/04; E04F11/06; E04F11/068

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