DE1235239B
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Filter pipe for boreholes
Assignee: DONALD W FETHER
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Filing: 1965-03-24
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Granted: —
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Expires: 1985-03-24
Abstract
No abstract record available.
Inventors
- 👤 Donald W Fether
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-04 13:36
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/02; E21B43/08; E21B43/086
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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