CH95407A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Method and mold for producing the shafts of broken twist drills, reamers and similar tools, respectively. on twist drills, reamers etc. made only as drill spiral reamers etc., without steel shank
Assignee: Fritz Neumeyer A G
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Filing: 1921-03-31
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Granted: —
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Expires: 1941-03-31
Abstract
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Inventors
- 👤 A-G Fritz Neumeyer
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-03 11:31
CPC Classifications
—
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