Patent DE723995C successfully refreshed from Google Patents.
DE723995C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Drive device for sound carrier
Assignee: AEG AG
•
Filing: 1938-11-27
•
Granted: 1942-08-15
•
Expires: 1958-11-27
Abstract
No abstract record available.
Inventors
- 👤 Eduard Untermann
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-09 06:52
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/26; F; F16; F16H; F16H13/00; F16H13/10; G03; G03B; G03B1/00; G03B1/18; G03B1/20; G03B1/32; G11B15/46; G11B15/50
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.