CH178574A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Device for sharpening pieces of chalk.
Assignee: Hasler Ernst
•
Filing: 1934-08-31
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Granted: —
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Expires: 1954-08-31
Abstract
No abstract record available.
Inventors
- 👤 Hasler Ernst
- 👤 Widler Hermann
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-07 23:53
CPC Classifications
B; B43; B43L; B43L23/00; B43L23/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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