CH161584A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Chalk holder.
Assignee: Hoffmann Frederic
•
Filing: 1932-06-07
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Granted: —
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Expires: 1952-06-07
Abstract
No abstract record available.
Inventors
- 👤 Hoffmann Frederic
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-02 11:10
CPC Classifications
B; B43; B43K; B43K23/00; B43K23/016; B43K21/00; B43K21/02; B43K21/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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