DE534103C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Extension drill with two automatically opening pairs of jaws
Assignee: Individual
•
Filing: 1929-10-27
•
Granted: 1931-09-23
•
Expires: 1949-10-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-01 09:18
CPC Classifications
E; E21; E21B; E21B10/00; E21B10/26; E21B10/32; E21B10/325
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References Cited (Backward Citations)
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