FR1340004A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Process for producing a constant direct voltage or a constant alternating voltage of any frequency
Assignee: Licentia Patent Verwaltungs GmbH
•
Filing: 1962-11-29
•
Granted: 1963-10-11
•
Expires: 1982-11-29
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-29 21:21
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/42; H02M7/44; H02M7/48; H02M7/497
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.