DE891788C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Sewing machine
Assignee: Duerkoppwerke GmbH
•
Filing: 1951-12-04
•
Granted: 1953-10-01
•
Expires: 1971-12-04
Abstract
No abstract record available.
Inventors
- 👤 Karl Nicolay
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-27 19:00
CPC Classifications
D; D05; D05B; D05B3/00; D05B3/02
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.