DE557974C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Drive device for typewriters
Assignee: Individual
•
Filing: 1930-05-18
•
Granted: 1932-09-03
•
Expires: 1950-05-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-28 23:25
CPC Classifications
B; B41; B41J; B41J5/00; B41J5/08; B41J5/14
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.