Patent DE490474C successfully refreshed from Google Patents.
DE490474C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Concrete mixer, the mixing drum of which is provided with blades and can be rotated around a horizontal axis in two opposite directions for mixing and emptying
Assignee: Individual
•
Filing: 1926-12-30
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Granted: 1930-01-29
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Expires: 1946-12-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-30 08:25
CPC Classifications
B; B28; B28C; B28C5/00; B28C5/08; B28C5/18; B28C5/20; B28C5/2045; B28C5/2054
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