FR909907A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Device for transmitting an alternating current from a set of fixed conductors to a set of conductors placed on a rotating body
Assignee: Sigfrid Krauthamer
•
Filing: 1945-03-22
•
Granted: 1946-05-22
•
Expires: 1965-03-22
Abstract
No abstract record available.
Inventors
- 👤 Sigfrid Krauthamer
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-07 07:46
CPC Classifications
H; H01; H01F; H01F38/00; H01F38/18
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.