Patent DE935653C successfully refreshed from Google Patents.
DE935653C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Fountain pen, in particular fountain pen
Assignee: Faber Castell AG
•
Filing: 1952-09-25
•
Granted: 1955-11-24
•
Expires: 1972-09-25
Abstract
No abstract record available.
Inventors
- 👤 Fritz Lauerbach
- 👤 Gregor Miltner
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-06 11:59
CPC Classifications
B; B43; B43K; B43K5/00; B43K5/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB666830A
Cited
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.