DE333074C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Mechanical AC rectifier with oscillating armature controlled by the operating AC current and under the influence of one or more springs
Assignee: APP DR MAX LEVY
•
Filing: 1919-06-17
•
Granted: 1921-02-17
•
Expires: 1939-06-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-05 23:20
CPC Classifications
H; H02; H02M; H02M7/00; H02M7/02; H02M7/30; H02M7/32; H02M7/36
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.