DE321847C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Fountain pen with exchangeable ink cartridge that opens when the lower pen-bearing holder lock is inserted
Assignee: Individual
•
Filing: 1915-04-16
•
Granted: 1920-06-15
•
Expires: 1935-04-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-09 02:37
CPC Classifications
B; B43; B43K; B43K5/00; B43K5/02; B43K5/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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