DE725830C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Arrangement for simultaneous magnetic recording and pick-up of vibrations
Assignee: PAUL GUENTHER ERBSLOEH
•
Filing: 1937-11-19
•
Granted: 1942-09-30
•
Expires: 1957-11-19
Abstract
No abstract record available.
Inventors
- 👤 Dr Walter Brandt
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-31 15:03
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/127; G11B5/265; G11B23/00; G11B23/0007; G11B27/00; G11B27/10
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.