CH78432A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Game designed to teach children the main properties of geometric solids
Assignee: Mina Audemars
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Filing: 1917-11-14
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Granted: —
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Expires: 1937-11-14
Abstract
No abstract record available.
Inventors
- 👤 Mina Audemars
- 👤 Louise Lafendel
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-10-27 04:30
CPC Classifications
—
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