DE958140C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Dry rectifiers, especially selenium rectifiers
Assignee: Licentia Patent Verwaltungs GmbH
•
Filing: 1952-07-18
•
Granted: 1957-02-14
•
Expires: 1972-07-18
Abstract
No abstract record available.
Inventors
- 👤 Dr Phil Fritz Brunke
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-22 21:07
CPC Classifications
H; H10; H10W; H10W90/00
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.