FR966738A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Improvements made to electrical machines, in particular to electric retarders comprising a rotor fitted, at its periphery, with ventilation fins
Assignee: Telma SAS
•
Filing: 1948-05-19
•
Granted: 1950-10-17
•
Expires: 1968-05-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-06 03:16
CPC Classifications
H; H02; H02K; H02K49/00; H02K49/02; H02K49/04; H02K49/046
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.