Patent DE698578C successfully refreshed from Google Patents.
DE698578C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Exchange pen with lead carriers that can be moved against the action of return springs by sliding buttons
Assignee: CARL EMIL RUF FA
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Filing: 1939-10-24
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Granted: 1940-11-13
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Expires: 1959-10-24
Abstract
No abstract record available.
Inventors
- 👤 Leonhard Neidlein
- 👤 Robert Roehm
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-09 00:54
CPC Classifications
B; B43; B43K; B43K24/00; B43K24/10; B43K24/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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