Patent DE930099C successfully refreshed from Google Patents.
DE930099C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Resistance converter for converting direct current into single or multi-phase alternating current
Assignee: Witt & Westphalen
•
Filing: 1952-08-02
•
Granted: 1955-07-11
•
Expires: 1972-08-02
Abstract
No abstract record available.
Inventors
- 👤 Kurt Westphalen
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-08 23:04
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/42; H02M7/54
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE434217C
Cited
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.