DE712457C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Magnetogram carrier
Assignee: IG Farbenindustrie AG
•
Filing: 1935-08-23
•
Granted: 1941-10-20
•
Expires: 1955-08-23
Abstract
No abstract record available.
Inventors
- 👤 Dr Rudolf Brill
- 👤 Dr Karl Schoenemann
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-27 09:11
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/62; G11B5/68; G11B5/70; G11B5/706
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.