FR914952A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Method for automatic filling of ink tanks of pens and apparatus for its application
Assignee: Oscar Froidevaux
•
Filing: 1945-04-26
•
Granted: 1946-10-23
•
Expires: 1965-04-26
Abstract
No abstract record available.
Inventors
- 👤 Oscar Froidevaux
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-05 16:12
CPC Classifications
B; B43; B43K; B43K11/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.