DE809063C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Scraper for cleaning drill holes
Assignee: JESSE ELMER HALL
•
Filing: 1950-04-15
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Granted: 1951-07-23
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Expires: 1970-04-15
Abstract
No abstract record available.
Inventors
- 👤 Jesse Elmer Hall
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-05 08:29
CPC Classifications
E; E21; E21B; E21B37/00; E21B37/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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