Patent DE490359C successfully refreshed from Google Patents.
DE490359C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Inclined drum for rotary tubes, e.g. B. Zementationsoefen, which has screw-shaped transport corridors on the inside
Assignee: Individual
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Filing: 1927-02-16
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Granted: 1930-01-27
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Expires: 1947-02-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-30 08:57
CPC Classifications
F; F27; F27B; F27B7/00; C; C22; C22B; C22B1/00; C22B1/14; C22B1/16; C22B1/216; F27B7/14; F27B7/16
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