Patent DE647386C successfully refreshed from Google Patents.
DE647386C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Tape-shaped magnetogram carrier
Assignee: AEG AG
•
Filing: 1935-02-15
•
Granted: 1937-07-03
•
Expires: 1955-02-15
Abstract
No abstract record available.
Inventors
- 👤 Dr Theo Volk
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-23 17:34
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/84; G11B5/8416
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.