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FR58427E
Expired / Lapsed
FR
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Method for automatic filling of ink tanks of pens and apparatus for its application
Assignee: Oscar-Ernest-Louis Froidevaux
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Filing: 1948-07-01
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Granted: 1953-11-27
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Expires: 1968-07-01
Abstract
No abstract record available.
Inventors
- 👤 Oscar-Ernest-Louis Froidevaux
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-05 13:34
CPC Classifications
B; B43; B43L; B43L25/00; B43L25/02; B43L25/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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