DE330940C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Double-walled vacuum vessel consisting of a single piece of porcelain
Assignee: PORZELLAN MANUFAKTUR
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Filing: 1917-11-16
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Granted: 1920-12-27
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Expires: 1937-11-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-06 17:34
CPC Classifications
F; F17; F17C; F17C3/00; F17C3/02; F17C3/08; A; A47; A47J; A47J41/00; A47J41/02; A47J41/022; A47J41/024; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0109; F17C2201/0128; F17C2203/00; F17C2203/03; F17C2203/0391; F17C2203/06; F17C2203/0602; F17C2203/0612; F17C2203/0626; F17C2203/0629; F17C2205/00; F17C2205/01; F17C2205/0153; F17C2205/018
Claims Analysis
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References Cited (Backward Citations)
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