DE370368C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Filter made of superimposed, frustoconical rings connected with anchors for wells with gravel filters
Assignee: ALBERT FAHSOLD
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Filing: —
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Granted: 1923-03-02
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Expires: 1940-03-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-03 23:35
CPC Classifications
E; E03; E03B; E03B3/00; E03B3/06; E03B3/08; E03B3/16; E03B3/18; E03B3/20
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