CH250085A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Protective device on devices, in particular writing and drawing materials.
Assignee: Zuercher Carl
•
Filing: 1947-03-24
•
Granted: —
•
Expires: 1967-03-24
Abstract
No abstract record available.
Inventors
- 👤 Zuercher Carl
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-09 15:57
CPC Classifications
B; B43; B43K; B43K23/00; B43K23/08; B43K23/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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