Patent DE850281C successfully refreshed from Google Patents.
DE850281C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Working method for locking devices in hammer drills
Assignee: Individual
•
Filing: 1943-04-18
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Granted: 1952-09-22
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Expires: 1963-04-18
Abstract
No abstract record available.
Inventors
- 👤 Jakob Usinger
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-05 13:56
CPC Classifications
E; E21; E21B; E21B6/00; E21B6/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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