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DE553769C Expired / Lapsed DE ⏱️ 0.0 years remaining

Folded protective sheet made of sterile paper that can be placed on the edge of drinking vessels

Assignee: Individual
•
Filing: 1931-06-10
•
Granted: 1932-06-30
•
Expires: 1951-06-10
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction DE
Data Source google_patents
Last Synchronized 2026-10-31 21:27
CPC Classifications
A; A47; A47G; A47G19/00; A47G19/22; A47G19/2205; A47G19/2211; A47G19/2216

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