Patent US3051681A successfully refreshed from Google Patents.
Patent DE891765C successfully refreshed from Google Patents.
DE891765C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Device for the production of butter
Assignee: Siemens Corp
•
Filing: 1939-06-10
•
Granted: 1953-10-01
•
Expires: 1959-06-10
Abstract
No abstract record available.
Inventors
- 👤 Rudolf Dr-Ing Liebold
- 👤 Hans Dipl-Ing Storm
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-24 13:11
CPC Classifications
A; A01; A01J; A01J15/00; A01J15/14
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.