Patent DE681658C successfully refreshed from Google Patents.
DE681658C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Inflatable mattress with separate headrest made of two layers of rubberized fabric
Assignee: Wetzell Gummiwerke AG
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Filing: 1934-12-29
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Granted: 1939-09-27
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Expires: 1954-12-29
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-05 23:17
CPC Classifications
A; A47; A47C; A47C27/00; A47C27/08; A47C27/081
Claims Analysis
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References Cited (Backward Citations)
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