FR698700A
Expired / Lapsed
FR
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Automatic mechanical pencil with mine reserve
Assignee: Yves Zuber
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Filing: 1929-10-09
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Granted: 1931-02-03
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Expires: 1949-10-09
Abstract
No abstract record available.
Inventors
- 👤 Yves Zuber
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-02 03:36
CPC Classifications
B; B43; B43K; B43K21/00; B43K21/02; B43K21/22
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