Patent DE433307C successfully refreshed from Google Patents.
DE433307C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Metal hollow drill
Assignee: Individual
•
Filing: 1925-03-17
•
Granted: 1926-08-27
•
Expires: 1945-03-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-25 10:17
CPC Classifications
B; B23; B23B; B23B51/00; B23B51/04; B23B51/0426
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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