Patent US1852943A successfully refreshed from Google Patents.
Patent DE538795C successfully refreshed from Google Patents.
DE538795C
Expired / Lapsed
DE
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Heat-insulating metal double-walled container
Assignee: LUDWIG MACH DR
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Filing: —
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Granted: 1931-11-21
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Expires: 1948-11-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-05 19:43
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/06; A47J41/00; A47J41/02; A47J41/022; A47J41/028; A47J41/0055; A47J41/0072; A47J41/0077
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