Patent DE539773C successfully refreshed from Google Patents.
DE539773C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Automatic machine for stamping pencils or other stick-shaped workpieces
Assignee: FR EHRHARDT FA
•
Filing: 1930-07-17
•
Granted: 1931-12-07
•
Expires: 1950-07-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-02 07:30
CPC Classifications
B; B41; B41F; B41F17/00; B41F17/08; B41F17/14; B41F17/20; B41F17/22
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.