DE705565C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Arrangement for voltage regulation with the help of direct current biased choke coils or transformers
Assignee: Siemens Schuckertwerke AG
•
Filing: 1937-04-09
•
Granted: 1941-05-03
•
Expires: 1957-04-09
Abstract
No abstract record available.
Inventors
- 👤 Oskar Schmutz
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-03 02:18
CPC Classifications
H; H01; H01F; H01F29/00; H01F29/14
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.