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Patent DE920487C successfully refreshed from Google Patents.
DE920487C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for improving soil, especially soil that dries out easily
Assignee: Individual
•
Filing: 1952-11-25
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Granted: 1954-11-22
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Expires: 1972-11-25
Abstract
No abstract record available.
Inventors
- 👤 Heinrich Unfried
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-23 17:47
CPC Classifications
A; A01; A01N; A01N25/00; A01N25/16; A01G; A01G31/00; A01N25/08; C; C05; C05G; C05G3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE839944C
Cited
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